Have you seen the Ruby "cheat" gem?<p><a href="http://cheat.errtheblog.com/" rel="nofollow">http://cheat.errtheblog.com/</a><p>It outputs cheat sheets to the command line, and allows people to edit them through a wiki. Might be a good source of cheat sheets for your site?<p>Also a command line tool to pull in cheat sheets from your site would be useful, although automatically converting them to ascii might be tricky.