Hosting git repositories -- Gitolite allows you to setup git hosting on a central server, with very fine-grained access control and many (many!) more powerful features.

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

Simple script to analyse your PostgreSQL database configuration, and give tuning advice

Swaks - Swiss Army Knife for SMTP

Expanded perl version of John Gruber's original Markdown --- No longer under active development since MMD 3

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

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 )

Comprehensive, language independent Test Suite for YAML

Postfix Greylisting Policy-Daemon

Collection of some handy Nagios plugins

Debian mirrors HTTP redirector

Script to migrate mantis database to redmine

Send Munin-node data to a StatD instance

Markdown Testsuite and Markdown 1.0.2b8