IMathAS (Internet Mathematics Assessment System) is a Web-based math testing and homework system. It is a light course/learning management system and testing system, similar to and inspired by WebWork and WIMS, and similar to textbook-bundled systems like iLrn and MathXL. It requires a browser with MathML and SVG support such as Firefox 1.5 or IE6 with plugins.
Abacus Systems's Relational XQuery is an XQJ-compatible XQuery processor that allows you to execute XQuery against both relational data and native XML data sources. Relational data can be directly transformed to XML and aggregated and joined with XML data. Relational XQuery can be used in any application where relational data and XML must be integrated, such as Web Services applications, Service Oriented Architectures, and XML-based J2EE applications.
XBNBT is a modifed BNBT BitTorrent tracker that offers many additional features such as support for flat-file or MySQL database operation, a Web interface, RSS feeds, user integration with IPB, IPB2, vBulletin 3, phpBB, and PHPNuke, control over TCP parameters, additional administrative, statistics, and control options, additional filter and search facilities, and more.