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

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

Recover damaged/unfinished mp4 files with h264 video

A Perl based tool to parse DMARC reports from an IMAP mailbox or from the filesystem, and insert the information into a database. ( Formerly known as imap-dmarcts )

A set of Munin plugins for PHP5-FPM

Smokeping::probes::speedtest

SpamAssassin DecodeShortURLs plug-in repository

Collection of postfix related tools

Simple outgoing SMTP proxy for preventing and detecting mail-worm propagation attempts and spam-bots.

Mail::SpamAssassin::Plugin::HashBL - lookups to the msbl.org blacklists

SpamAssassin DecodeShortURLs plug-in repository

pflogstats.pl and it's modules is an extended version of "pflogsumm.pl"