adx is a minimalistic but massively Web-enabled address book that runs completely in your Web browser. It's OS-independent and supports comprehensive details for each contact entry, including user identifiers and profiles for Skype, Twitter, Flickr, Delicious, Facebook, LinkedIn, studiVZ, instant messengers, etc. It supports the hCard and XFN microformats.
GroupServer is a Web-based mailing list manager designed for large sites. It provides email interaction like a traditional mailing list manager but also supports reading, searching, and posting of messages and files via the Web. Users have forum-style profiles, and can manage their email addresses and other settings using the same Web interface. It has supports features such as Atom feeds, a basic CMS, statistics, multiple verified addresses per user, and bounce detection, and is able to be heavily customized.
xsltester is an applet for testing XSL files. It can execute and judge test routines written in XSL templates without another applied XML file. Therefore developers have to create only one testing XSL file for a test. It contains another applet, xslviewer, which can displays an API document for an XSL file. It displays lists of templates (elements), named templates (functions and subroutines), and parameters, and optionally displays test results for each.
xslbook is an XSLT applet to display a book-style document in a Web browser that supports XSLT. xslbook transforms XML files created by users into HTML documents with an XSLT engine built in Web browsers. It can display HTML documents in Web browsers directly without other transformation tools. It has an automatic numbering function for chapters or block elements, an automatic generation function for table of contents and navigation links, a data operating function for other XML files, keyword search, and so on. It is a sub-project of xslet.