Last Updated: May 3, 2026
Kifu Master is built upon the work of the open source community. Listed below are the third-party software libraries used in the application and during its development, along with their license information. We are grateful to the developers of all these libraries.
Section 1: Libraries Used in the Application
The following 21 libraries are runtime dependencies of Kifu Master and are distributed as part of the end-user application.
| Library | Developer | License | Link |
|---|---|---|---|
| @sabaki/go-board | Yichuan Shen (SabakiHQ) | MIT | GitHub |
| @sabaki/sgf | Yichuan Shen (SabakiHQ) | MIT | GitHub |
| @sabaki/shudan | Yichuan Shen (SabakiHQ) | MIT | GitHub |
| react | Meta (Facebook) | MIT | GitHub |
| react-dom | Meta (Facebook) | MIT | GitHub |
| react-router-dom | Remix Software | MIT | GitHub |
| react-icons | Goran Gajic | MIT | GitHub |
| @capacitor/core | Ionic Team | MIT | GitHub |
| @capacitor/android | Ionic Team | MIT | GitHub |
| @capacitor/app | Ionic Team | MIT | GitHub |
| @capacitor/cli | Ionic Team | MIT | GitHub |
| @capacitor/dialog | Ionic Team | MIT | GitHub |
| @capacitor/filesystem | OutSystems | MIT | GitHub |
| @capacitor/share | Ionic Team | MIT | GitHub |
| firebase | Google LLC | Apache-2.0 | GitHub |
| @revenuecat/purchases-capacitor | RevenueCat, Inc. | MIT | GitHub |
| idb | Jake Archibald | ISC | GitHub |
| jszip | Stuart Knightley | MIT | GitHub |
| html2canvas | Niklas von Hertzen | MIT | GitHub |
| vite-plugin-node-polyfills | David Myers | MIT | GitHub |
| web-vitals | Philip Walton (Google) | Apache-2.0 | GitHub |
Section 2: Development and Testing Tools
The following 6 tools are used only during development, code compilation, and testing. They are not included in the end-user application and do not run on your device. They are listed here for the sake of transparency.
| Tool | Developer | License | Link |
|---|---|---|---|
| vite | Evan You | MIT | GitHub |
| @vitejs/plugin-react | Evan You | MIT | GitHub |
| @testing-library/dom | Kent C. Dodds | MIT | GitHub |
| @testing-library/react | Kent C. Dodds | MIT | GitHub |
| @testing-library/jest-dom | Ernesto Garcia | MIT | GitHub |
| @testing-library/user-event | Giorgio Polvara | MIT | GitHub |
License Texts
MIT License
Each of the MIT-licensed libraries listed above is the property of its respective copyright holder, and detailed copyright notices can be found in the LICENSE files of the corresponding GitHub repositories. The standard MIT license text reads as follows:
MIT License
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, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Apache License 2.0
The firebase and web-vitals libraries are licensed under the Apache License 2.0. The full text of the license is available at www.apache.org/licenses/LICENSE-2.0.
ISC License
The idb library is licensed under the ISC License:
Copyright (c) Jake Archibald
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
Feedback
If you believe a library is missing from this list or suspect a license error, please contact us at gotesensei@gmail.com.
This page is published in order to fulfill the license obligations of the open source software used.