Tweetty is a cute, tiny, post-only client for Twitter. It runs on your command-line.
Net::Nessus::XMLRPC is Perl interface for communication with the Nessus scanner over XMLRPC. It lets you start, stop, pause, and resume scans. It can display the progress and status of scans, download reports, etc.
A non-graphical .NET Project management component which enables .NET applications to read, write, and manage Project documents without utilizing Microsoft Project.
Virtualization and HA Management of virtual machines and embedded HA Storage.