MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.

a tool for backing up your data using rsync (if you want to get help, use https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss)

✨ Mojolicious - Perl real-time web framework

Contributed stuff for munin (plugins, tools, etc...)

A realtime terminal-based top-like monitor for MySQL

STF - Distributed Object Storage (Perl/MySQL/(Q4M|TheSchwartz|Resque|Redis)/Memcached)

a simple deploy tool

Preforked Plack Handler for performance freaks

PSGI/Plack server with event driven connection manager, preforking workers

WebSocket handshake helper middleware

Perl Module of Groonga