aircrack-ng is a set of tools for auditing wireless networks. It's an enhanced/reborn version of aircrack. It consists of airodump (an 802.11 packet capture program), aireplay (an 802.11 packet injection program), aircrack (static WEP and WPA-PSK cracking), airdecap (decrypts WEP/WPA capture files), and some tools to handle capture files (merge, convert, etc.).
Pre-Book is a PC bookings and reservation system consisting of a Linux based server, and Windows and Linux client management software. Pre-book enables you to enforce equitable time usage of your desktop computers by limiting users to a set amount of time per day, and has numerous advanced features such as advance reservations, grace periods, no-show penalties, holiday hours, PAM authentication, etc. It is appropriate for libraries, schools, Internet cafes, university labs, and similar. The client software is available for Windows as well as Userful Desktop, a locked-down multiseat desktop Linux distribution for public computers.
Zenoss is an enterprise network/systems management application that provides an integrated software package for monitoring availability, performance, events, and configuration across layers (network, servers, applications, environment, etc.) and across platforms (Linux, Windows, Unix, etc.).
gtkShots is a GUI tool to automatically save screenshots at regular or scheduled points in time. with the Options may be chosen for each screenshot to be saved, such as the size, the parent folder, and the time interval between them. Some possible applications include the creation of presentations or monitoring desktop activity. gtkShots includes pyshots, the command-line program that actually implements its functionality.
TDA (Thread Dump Analyzer) is a small Swing GUI for analyzing thread dumps generated by the Sun Java VM. It has been tested with 1.4.2_x, 1.5.0_x, and 1.6.0_x releases. It provides statistics, gives information about locked monitors and waiting threads, can diff between threads to look for similarities, and has "long running thread" detection.
PyWBEM is a Python library for making CIM operations over HTTP using the WBEM protocol. It is based on the idea that a good WBEM client should be easy to use and not necessarily require a large amount of programming knowlege. It is suitable for a large range of tasks from simply poking around to writing Web and GUI applications.