AllTray is a program you can use on UNIX and UNIX-like systems, such as GNU/Linux or FreeBSD, running the X Window System. It is used to “dock” application software into the system tray (also known as the “notification area”). AllTray aims to be standards-compliant and work with any desktop environment/window manager+system tray combination that is also standards-compliant.
Aloofix is conceptually similar to the Ubuntu JeOS (Just enough OS), but much more aggressive when it comes to the term "just enough". The build environment consists of a collection of Makefiles, scripts, and configuration files capable of creating a bootable ISO image. This ISO image contains a small set of scripts and utility programs for installing Aloofix on a primary hard drive in a VM environment. The build environment provides the raw materials for creating and provisioning a set of guest instances for VirtualBox, VMWare, and Qemu.
The Amahi Home Server is a Linux home server based on Fedora (and later on Ubuntu). Your machine becomes a "Home Digital Assistant" (HDA) after the installation. It provides a growing set of community packaged apps like an iTunes server, UPnP server, calendar server, a wiki, shared network storage, network backups, a printer server, VPN, and a plug-in architecture built on Ruby on Rails.
SimpleDB/dev is a local instance of Amazon's SimpleDB. It runs as a server on your local machine and replicates the SimpleDB REST API as specified in Amazon's technical documentation. It implements every SimpleDB query-action and includes a large suite of tests, created from the query examples provided by Amazon.