SyncServer is a Firefox sync server written in Perl. Mozilla's Firefox sync server, which is written in Python, has many dependencies and is quite tricky to install on enterprise distributions which don't ship with all those requirements. This syncserver implements the syncserver user API and storage API as an fcgi application. It is entirely written in Perl.
Dojo is a cross-browser AJAX/DHTML toolkit for building dynamic Web UIs. Dojo includes a rich-text editing component, an aspect-oriented event system, rich drag-and-drop support, a rapid-prototyping framework for building new widgets, and a full-featured abstraction for XmlHTTP I/O. In short, it's a very fast way to build Web interfaces.
Browsershots is a system for automatically capturing screenshots of Web pages in a variety of browsers and making these images available to the public. Its goal is to make it easier to test the compatibility of Web pages with a variety of browsers. The system distributes the work of making screenshots among community members. Anyone can add URLs to the job queue on a central server.
VStar PhotoAlbum is a Web-based photo album designed for amateur photographers with digital cameras and their own Web server or home page. It alleviates the need to to spend much time creating Web pages to show off photographs, and also allows visitors to download original high-resolution images to print good quality pictures.
blueflops is a two-floppy Linux distribution with a graphical Web browser (links) and an IRC client (rhapsody). The kernel has most of the Ethernet drivers compiled in as modules (including the PCMCIA ones) and PPP support (for dialup connections). The browser is linked with OpenSSL. The scripts are all accessible by a setup script and have a nice dialog frontend.
Checky is a document validation and analysis extension for Firefox, Mozilla, and Netscape. It provides an easy-to-use interface to many free and commercial online validation and analysis services. It allows the user to validate, analyze, view, and inspect documents containing HTML, XHTML, CSS, RDF, RSS, XML, P3P, hyperlinks, metadata, and many more. It can check Section 508 and WAI compliance of documents with many helpful services. It can help in the design, development, and maintenance of accessible documents for a semantic web.