Artha is a handy thesaurus based on WordNet with distinct features like global hot key look up, passive desktop notification, regular expression based search, etc. Artha may be used as a free open-source replacement/clone to the proprietary WordWeb Pro thesaurus (which is also based on WordNet) on Unix-like and Windows operating systems.
Gigaslax is a full featured operating system based on the Slax Linux distribution. Like Slax, Gigaslax is optimized to run on a flash drive without the need for a hard drive of any sort. Slax is designed to be modular, allowing it to serve many purposes. It is meant to be a "do everything" computing environment.
eeetray is a small tool for the Asus/Xandros Linux distribution used on Eee PC. It displays a system tray icon that allows you to start or stop the wireless LAN, Bluetooth, webcam, internal cardreader, 3G modem, and ssh (if installed) individually. There are also options to shut down or reboot the system without any further confirmation.
ERDialog is part of a simple Web based framework with Erlang. It is a Web browser interface and system for developing programs using the Yaws HTTP server and Erlang support programs. It will be able to ship applets for installation. Applets for wiki, music playing, and file launching exist now.