Freshmeat page: http://freshmeat.net/projects/jellybean
Jellybean's a Perl Object server, in the same vein as Iaijutsu or Zope (well, except that it's Perl). It's pretty lightweight, running on both Win32 and Unix. (It also serves static pages and supports Perl and shell scripts.)
It's gradually becoming a full-fledged application service, where users can create their own Perl objects and call them through various means -- HTTP, telnet, FTP, XML-RPC, and the like -- with persistence, context, and other fun buzzwords. Eventually, everything will be editable in real-time, and that's partially implemented.
Right now, it's an object service grafted on to a HTTP daemon, but it does support Perl objects and various tricky means of enforcing folder-based context. The next big version will support a relatively easy means of self-publishing documents.
The design is pretty clean, and it's improving. :)
jlp and jbontje are good contributers, as well as kpm.
This project has the following developers:
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!