diff --git a/native/liblinuxbridge/bridge.cpp b/native/liblinuxbridge/bridge.cpp
index 51bd1db..d8d4012 100644
--- a/native/liblinuxbridge/bridge.cpp
+++ b/native/liblinuxbridge/bridge.cpp
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "bridge.h"
 
 #include <locale.h>
diff --git a/native/liblinuxbridge/bridge.h b/native/liblinuxbridge/bridge.h
index 4a57593..89d60aa 100644
--- a/native/liblinuxbridge/bridge.h
+++ b/native/liblinuxbridge/bridge.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #ifndef ESPANSO_BRIDGE_H
 #define ESPANSO_BRIDGE_H
 
diff --git a/native/libmacbridge/AppDelegate.h b/native/libmacbridge/AppDelegate.h
index 7fac0e7..f35f5d1 100644
--- a/native/libmacbridge/AppDelegate.h
+++ b/native/libmacbridge/AppDelegate.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #import <AppKit/AppKit.h>
 #import <Foundation/Foundation.h>
 
diff --git a/native/libmacbridge/AppDelegate.mm b/native/libmacbridge/AppDelegate.mm
index c5e3ebd..35e9177 100644
--- a/native/libmacbridge/AppDelegate.mm
+++ b/native/libmacbridge/AppDelegate.mm
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #import "AppDelegate.h"
 
 @implementation AppDelegate
diff --git a/native/libmacbridge/bridge.h b/native/libmacbridge/bridge.h
index 6e8107a..d982f2c 100644
--- a/native/libmacbridge/bridge.h
+++ b/native/libmacbridge/bridge.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #ifndef ESPANSO_BRIDGE_H
 #define ESPANSO_BRIDGE_H
 
diff --git a/native/libmacbridge/bridge.mm b/native/libmacbridge/bridge.mm
index fc10895..f543ff9 100644
--- a/native/libmacbridge/bridge.mm
+++ b/native/libmacbridge/bridge.mm
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "bridge.h"
 
 #import <Foundation/Foundation.h>
diff --git a/native/libwinbridge/bridge.cpp b/native/libwinbridge/bridge.cpp
index 30d6021..021f36d 100644
--- a/native/libwinbridge/bridge.cpp
+++ b/native/libwinbridge/bridge.cpp
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "bridge.h"
 #include <stdio.h>
 #include <iostream>
diff --git a/native/libwinbridge/bridge.h b/native/libwinbridge/bridge.h
index 903ac98..ecedd47 100644
--- a/native/libwinbridge/bridge.h
+++ b/native/libwinbridge/bridge.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #ifndef ESPANSO_BRIDGE_H
 #define ESPANSO_BRIDGE_H
 
diff --git a/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.h b/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.h
index 7c3676c..dbe09df 100644
--- a/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.h
+++ b/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.h
@@ -1,10 +1,21 @@
-//
-//  AppDelegate.h
-//  NotificationHelper
-//
-//  Created by Federico on 06/09/2019.
-//  Copyright © 2019 Federico Terzi. All rights reserved.
-//
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.m b/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.m
index 5dad71d..b076bcb 100644
--- a/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.m
+++ b/other/EspansoNotifyHelper/EspansoNotifyHelper/AppDelegate.m
@@ -1,10 +1,21 @@
-//
-//  AppDelegate.m
-//  NotificationHelper
-//
-//  Created by Federico on 06/09/2019.
-//  Copyright © 2019 Federico Terzi. All rights reserved.
-//
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
 
 #import "AppDelegate.h"
 
diff --git a/other/EspansoNotifyHelper/EspansoNotifyHelper/main.m b/other/EspansoNotifyHelper/EspansoNotifyHelper/main.m
index fc6c37f..68731bb 100644
--- a/other/EspansoNotifyHelper/EspansoNotifyHelper/main.m
+++ b/other/EspansoNotifyHelper/EspansoNotifyHelper/main.m
@@ -1,10 +1,21 @@
-//
-//  main.m
-//  NotificationHelper
-//
-//  Created by Federico on 06/09/2019.
-//  Copyright © 2019 Federico Terzi. All rights reserved.
-//
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
 
 #import <Cocoa/Cocoa.h>
 #import "AppDelegate.h"
diff --git a/src/bridge/linux.rs b/src/bridge/linux.rs
index 6e9e731..a7f40e3 100644
--- a/src/bridge/linux.rs
+++ b/src/bridge/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::{c_void, c_char};
 
 #[allow(improper_ctypes)]
diff --git a/src/bridge/macos.rs b/src/bridge/macos.rs
index 3ea76f8..08d12ab 100644
--- a/src/bridge/macos.rs
+++ b/src/bridge/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::{c_void, c_char};
 
 #[repr(C)]
diff --git a/src/bridge/mod.rs b/src/bridge/mod.rs
index a86b635..3c6b412 100644
--- a/src/bridge/mod.rs
+++ b/src/bridge/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 pub(crate) mod windows;
 
diff --git a/src/bridge/windows.rs b/src/bridge/windows.rs
index a220b6b..f556d7e 100644
--- a/src/bridge/windows.rs
+++ b/src/bridge/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::{c_void};
 
 #[repr(C)]
diff --git a/src/check.rs b/src/check.rs
index 1ba1092..6230e2e 100644
--- a/src/check.rs
+++ b/src/check.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 // This functions are used to check if the required dependencies are satisfied
 // before starting espanso
 
diff --git a/src/clipboard/linux.rs b/src/clipboard/linux.rs
index 8b4eedf..a20c2c6 100644
--- a/src/clipboard/linux.rs
+++ b/src/clipboard/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::process::{Command, Stdio};
 use std::io::{Write};
 use log::error;
diff --git a/src/clipboard/macos.rs b/src/clipboard/macos.rs
index 0d0d18c..65c10bf 100644
--- a/src/clipboard/macos.rs
+++ b/src/clipboard/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::c_char;
 use crate::bridge::macos::{get_clipboard, set_clipboard};
 use std::ffi::{CStr, CString};
diff --git a/src/clipboard/mod.rs b/src/clipboard/mod.rs
index 76b71a4..c99a4cc 100644
--- a/src/clipboard/mod.rs
+++ b/src/clipboard/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 mod windows;
 
diff --git a/src/clipboard/windows.rs b/src/clipboard/windows.rs
index c53c131..f9f5f4c 100644
--- a/src/clipboard/windows.rs
+++ b/src/clipboard/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::process::{Command, Stdio};
 use std::io::{Write};
 
diff --git a/src/config/mod.rs b/src/config/mod.rs
index b036e16..1eceda6 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 extern crate dirs;
 
 use std::path::{Path, PathBuf};
diff --git a/src/config/runtime.rs b/src/config/runtime.rs
index d87313b..e817352 100644
--- a/src/config/runtime.rs
+++ b/src/config/runtime.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use regex::Regex;
 use crate::system::SystemManager;
 use std::cell::RefCell;
diff --git a/src/context/linux.rs b/src/context/linux.rs
index c7bec33..152ed0b 100644
--- a/src/context/linux.rs
+++ b/src/context/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::sync::mpsc::Sender;
 use std::os::raw::c_void;
 use crate::event::*;
diff --git a/src/context/macos.rs b/src/context/macos.rs
index e609f95..de80361 100644
--- a/src/context/macos.rs
+++ b/src/context/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::sync::mpsc::Sender;
 use std::os::raw::c_void;
 use crate::bridge::macos::*;
diff --git a/src/context/mod.rs b/src/context/mod.rs
index b6ab1c0..bbc1d9e 100644
--- a/src/context/mod.rs
+++ b/src/context/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 mod windows;
 
diff --git a/src/context/windows.rs b/src/context/windows.rs
index a48fb92..eda25a0 100644
--- a/src/context/windows.rs
+++ b/src/context/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::sync::mpsc::Sender;
 use crate::bridge::windows::*;
 use crate::event::{Event, KeyEvent, KeyModifier, ActionEvent, ActionType};
diff --git a/src/engine.rs b/src/engine.rs
index 94da325..1f47d94 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use crate::matcher::{Match, MatchReceiver};
 use crate::keyboard::KeyboardManager;
 use crate::config::ConfigManager;
diff --git a/src/event/manager.rs b/src/event/manager.rs
index a5e5706..a119122 100644
--- a/src/event/manager.rs
+++ b/src/event/manager.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use crate::event::{KeyEventReceiver, ActionEventReceiver, Event};
 use std::sync::mpsc::Receiver;
 
diff --git a/src/event/mod.rs b/src/event/mod.rs
index ecbaccb..abcfdcc 100644
--- a/src/event/mod.rs
+++ b/src/event/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 pub(crate) mod manager;
 
 use serde::{Serialize, Deserialize};
diff --git a/src/extension/date.rs b/src/extension/date.rs
index bbd53db..ea64bd8 100644
--- a/src/extension/date.rs
+++ b/src/extension/date.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde_yaml::{Mapping, Value};
 use chrono::{DateTime, Utc};
 
diff --git a/src/extension/mod.rs b/src/extension/mod.rs
index 87fac7c..26da4cd 100644
--- a/src/extension/mod.rs
+++ b/src/extension/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde_yaml::Mapping;
 
 mod date;
diff --git a/src/extension/script.rs b/src/extension/script.rs
index fcb5b5b..a5519aa 100644
--- a/src/extension/script.rs
+++ b/src/extension/script.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde_yaml::{Mapping, Value};
 use std::process::Command;
 use log::{warn, error};
diff --git a/src/extension/shell.rs b/src/extension/shell.rs
index 6b54b81..4ca4999 100644
--- a/src/extension/shell.rs
+++ b/src/extension/shell.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde_yaml::{Mapping, Value};
 use std::process::Command;
 use log::{warn, error};
diff --git a/src/keyboard/linux.rs b/src/keyboard/linux.rs
index a33537a..4b9f15b 100644
--- a/src/keyboard/linux.rs
+++ b/src/keyboard/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::ffi::CString;
 use crate::bridge::linux::*;
 
diff --git a/src/keyboard/macos.rs b/src/keyboard/macos.rs
index d6a53a4..7381dc1 100644
--- a/src/keyboard/macos.rs
+++ b/src/keyboard/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::ffi::CString;
 use crate::bridge::macos::*;
 
diff --git a/src/keyboard/mod.rs b/src/keyboard/mod.rs
index b9fdecf..c48134c 100644
--- a/src/keyboard/mod.rs
+++ b/src/keyboard/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 mod windows;
 
diff --git a/src/keyboard/windows.rs b/src/keyboard/windows.rs
index a7f2dd9..a725c46 100644
--- a/src/keyboard/windows.rs
+++ b/src/keyboard/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::sync::mpsc;
 use std::os::raw::{c_void};
 use widestring::{U16CString};
diff --git a/src/main.rs b/src/main.rs
index 7a3e4e1..8695d5a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[macro_use]
 extern crate lazy_static;
 
diff --git a/src/matcher/mod.rs b/src/matcher/mod.rs
index eaf505e..ece4eac 100644
--- a/src/matcher/mod.rs
+++ b/src/matcher/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde::{Serialize, Deserialize, Deserializer};
 use crate::event::{KeyEvent, KeyModifier};
 use crate::event::KeyEventReceiver;
diff --git a/src/matcher/scrolling.rs b/src/matcher/scrolling.rs
index 797314a..a14df4a 100644
--- a/src/matcher/scrolling.rs
+++ b/src/matcher/scrolling.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use crate::matcher::{Match, MatchReceiver};
 use std::cell::RefCell;
 use crate::event::{KeyModifier, ActionEventReceiver, ActionType};
diff --git a/src/protocol/mod.rs b/src/protocol/mod.rs
index ade89e5..9101019 100644
--- a/src/protocol/mod.rs
+++ b/src/protocol/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use serde::{Deserialize, Serialize};
 use std::sync::mpsc::Sender;
 use crate::event::Event;
diff --git a/src/protocol/unix.rs b/src/protocol/unix.rs
index c965408..cb2517b 100644
--- a/src/protocol/unix.rs
+++ b/src/protocol/unix.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::io::{BufReader, Read};
 use std::io::Write;
 use std::os::unix::net::{UnixStream,UnixListener};
diff --git a/src/system/linux.rs b/src/system/linux.rs
index befef17..df05ac3 100644
--- a/src/system/linux.rs
+++ b/src/system/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::c_char;
 
 use crate::bridge::linux::{get_active_window_name, get_active_window_class, get_active_window_executable};
diff --git a/src/system/macos.rs b/src/system/macos.rs
index 0c5746e..fc867d1 100644
--- a/src/system/macos.rs
+++ b/src/system/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::os::raw::c_char;
 
 use std::ffi::CStr;
diff --git a/src/system/mod.rs b/src/system/mod.rs
index 96df3ab..fadcf5a 100644
--- a/src/system/mod.rs
+++ b/src/system/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 mod windows;
 
diff --git a/src/system/windows.rs b/src/system/windows.rs
index 7950bff..01e9cfd 100644
--- a/src/system/windows.rs
+++ b/src/system/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use widestring::U16CString;
 use crate::bridge::windows::*;
 
diff --git a/src/ui/linux.rs b/src/ui/linux.rs
index f1b7bf0..df19705 100644
--- a/src/ui/linux.rs
+++ b/src/ui/linux.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::process::Command;
 use super::MenuItem;
 use log::error;
diff --git a/src/ui/macos.rs b/src/ui/macos.rs
index da0b6c9..61065de 100644
--- a/src/ui/macos.rs
+++ b/src/ui/macos.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::{fs, io};
 use std::io::{Cursor};
 use std::ffi::CString;
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
index 8984250..c55283b 100644
--- a/src/ui/mod.rs
+++ b/src/ui/mod.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #[cfg(target_os = "windows")]
 mod windows;
 
diff --git a/src/ui/windows.rs b/src/ui/windows.rs
index 0a6f397..ea882a4 100644
--- a/src/ui/windows.rs
+++ b/src/ui/windows.rs
@@ -1,3 +1,22 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 use std::process::Command;
 use crate::bridge::windows::{show_notification, close_notification, WindowsMenuItem, show_context_menu};
 use widestring::U16CString;