Schrödinger is an implementation of the Dirac video codec, a modern wavelet-based video codec. It features both an encoder and a decoder and GStreamer plugins. Mappings have also been developed for putting Dirac into both the Ogg container format and the MPEG Transport stream container format.
hOCR is a file format for representing the output of Optical Character Recognition (OCR) programs such as OCRopus. OCR programs are not perfect at recognizing text, so human editing is often necessary. moz-hocr-edit provides a line-by-line user interface for people to edit and proofread hOCR documents.
ff3sudoku is an add-on that features an engine for playing Sudoku puzzles. It can generate random puzzles, but it also detects and imports Sudokus from several Web sites, including websudoku.com, sudokupuzz.com, sudoku.com.au, and others. There is also a stand-alone version working in Firefox 3+ and GoogleChrome.
Alchitect helps you build Web sites and Web applications with unprecedented ease. With Alchitect, the core things that you have to do for every Web application, especially those that require a database, are handled for you. This means you have more time to design the look-and-feel of your site as well as to add features to your application.
leJOS is a Java-based replacement firmware (OS) for LEGO Mindstorms programmable bricks, including RCX and NXT. It supports threads, exceptions, synchronization, floating point arithmetic, strings, and so on, but there is no garbage collection yet. It is also designed to be portable to other small devices.
The XNGR XML Browser is an XML browser framework, written in Java, that provides the functionality to associate Markers with directories, files, XML documents, and nodes in an XML document. Services and Actions can be associated to inspect and manage these marked items. Default services include a simple XML Editor and XML Viewer.
TweetBox.fx is a Twitter desktop client. It lets users send updates, replies, and direct messages. Users can retrieve their friend's timeline, their own timeline, direct messages, replies, and their favorites. TweetBox also allows the user to view multiple timelines at the same time. TweetBox has a very user friendly entry box for typing updates. It shows you how many characters are left and provides a very easy-to-use URL-shrinking function. TweetBox can also detect links to pictures on Mobypicture and TwitPic and respond by showing, instead of the original URL, a link labeled "picture" that pops up a thumbnail when the mouse hovers over it.