KeyboardKit is open-source and completely free. It's hosted at GitHub and licensed under the MIT license.
KeyboardKit is open-source and hosted at GitHub, where you find the source code, getting started guides, code examples, online documentation, demo apps etc.
Open-source means that anyone can contribute by implementing features, improving things, fixing bugs, or just by giving feedback and reporting issues.
KeyboardKit released under the MIT license, which means that you can use the library in any way you like. You can fork it and modify it as you see fit, release your own versions etc.
KeyboardKit is open-source and completely free, but any financial support is greatly appreciated to keep the project going.