Yubico themselves are awesome. They have tons of code available @ http://github.com/yubico http://github.com/yubico that sees regular attention. They are very

Yubico themselves are awesome. They have tons of code available @ http://github.com/yubico http://github.com/yubico that sees regular attention. They are very responsive to attacks and well regarded http://youtu.be/H-cpm7D8Sqg?t=28m40s http://youtu.be/H-cpm7D8Sqg?t=28m40s Yubico actively supports open source, for example by giving away 100 free keys to kernel.org devs ( http://zd.net/1tdCmik http://zd.net/1tdCmik ). Perhaps this is just a cheap publicity stunt, but still way better then most!