External links
Port of drawille to Crystal
ncurses bindings for crystal
ANSEL Converter for Crystal
Binary mapping macro for crystal, used to deserialize binary data.
http://xkcd.com/1692/
Something that I made a long time ago and have put here for archiving/reference
Factorio Blueprint parser written in Crystal
IRC Bot library written in crystal, using fast_irc.cr for message parsing
pomf-standard API to Imgur Gateway
Noise generators implemented in Crystal