External links
A Crystal implementation of File.mkfifo
Crystal bindings for the new Linux kernel GPIO user space interface (/dev/gpiochip*)
A minimalistic example of an issue in crystal-lang
an implementation of the koremutake algorithm in Crystal
A command line tool to query ini files
Fuzzy finder algorithm for Crystal Lang
A small library for working with temperatures in Crystal
A Crystal implementation of the XDG Base Directory specs
A command line tool to show the information in a PLS playlist
A small library to read PLS files (playlists) in Crystal
An SMTP/POP3-server that keeps every email you send it until you fetch it