Open Source Licenses & Credits

Clicky Keyboard for Android relies on open source software and community audio projects.

We are deeply grateful to the open-source software community and audio creators who made this project possible. Below are the open-source libraries, frameworks, fonts, and audio components used within Clicky Keyboard for Android.

1. OpenWnn (OpenWnn-KOKR)

Korean Keyboard IME Engine • Apache License 2.0 / BSD License

OpenWnn provides open-source Hangul IME composition engine, 10-key/12-key (Cheonjiin, Naratgul, Danmoeum), and QWERTY layout processing for Android devices.

Copyright (C) 2008-2012 OMRON Software Co., Ltd., OpenWnn-KOKR Project.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

2. RevenueCat (Purchases-Android)

In-App Purchase & Subscription SDK • MIT License

RevenueCat is used to securely manage and verify auto-renewable in-app subscriptions across Android platforms.

Copyright (c) RevenueCat, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software.

3. EventBus

Publish/Subscribe Event Bus • Apache License 2.0

EventBus simplifies asynchronous communication between Activities, Fragments, Services, and background tasks in Android.

Copyright (C) 2012-2021 Markus Junginger, greenrobot
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.

4. Google Fonts & Typography

Open Source Korean Fonts • SIL Open Font License 1.1 / Apache License 2.0

Includes open-source fonts provided by Google Fonts and respective font creators: Woowa Brothers (Baemin Jua, Do Hyeon, Yeon Sung), Naver (Nanum Gothic), Google (Noto Sans KR), Gowun Dodum, Hahmlet, and Bagel Fat One.

SIL OPEN FONT LICENSE Version 1.1
Permission is hereby granted, free of charge, to any person obtaining a copy of the Font Software, to use, study, copy, merge, embed, modify, redistribute, and sell modified and unmodified copies of the Font Software.

5. Mechvibes Project (Audio Credits)

Mechanical Keyboard Switch Audio Samples • Open Source Community Credits

The authentic mechanical switch audio samples (Blue clicky, Red linear, Brown tactile switches) used in Clicky Keyboard are sourced and inspired by the open-source Mechvibes desktop audio project community.

Project Repository: github.com/hainguyents13/mechvibes