Wordnik's swagger comes to mind<p><a href="https://developers.helloreverb.com/swagger/" rel="nofollow">https://developers.helloreverb.com/swagger/</a><p>We just launched our own api ( handwritten with bootstrap,css )<p>check it out at <a href="http://appetite.io/docs" rel="nofollow">http://appetite.io/docs</a><p>~B
I really like using Restdown <a href="https://github.com/trentm/restdown" rel="nofollow">https://github.com/trentm/restdown</a><p>It's markdown with a few more conventions. Really handy.