This FRC library is made to supplement WPILibJ and has documentation available.
To use Lib2585, all you need to do is include the jar file in your classpath!
Downloads can be found on the releases page. Releases are signed by one of our core developers: LoadingPleaseWait (Michael Murphey PGP Key ID: B03B9E9FA1CFA14B), KIllin-A13 (Amanuel Bayu PGP Key ID: 651B0DB8B8AD8D5E), or J0hnCena (Joshua Wong PGP Key ID: E4207A846FD1C43E).
Lib2585 is dual licensed under the GPL v3 and BSD License for WPILib. Lib2585 is free software: you can redistribute it and/or modify it under the terms of those two licenses.