Freshmeat page: http://freshmeat.net/projects/javuh/
Javuh is a registry of organized PHP classes. The classes share a common debugging structure and design method. The classes are meant to be extended and used together.
Javuh features an object modeling environment called Psychoo, which uses a dictionary-like file format to describe a site schema. From the schema, databases, HTML forms, and PHP classes are generated. Hopefully, this decreases development time by reducing the mundane work. Application of Don't Repeat Yourself in the PHP kingdom.
Javuh also includes a number of other classes for internet protocols (HTTP, Gnutella, Buggoo UDP debugging protocol), parsing (XML, Python pickles), database abstraction (MySQL, PgSQL, DbTcp), and session stuff. The library set is currently quite stable and used on a number of sites. It's PHP code, so it's not a terribly big deal, but saves us a lot of time generally.
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!