DocZilla: DocZilla is an SGML/HyTime-enables browser based on the Mozilla Gecko rendering engine. Support for SGML, HyTime, CALS tables, RDF, and Xlink is currently being worked on.
eXeMeL: XML browser in Alpha testing stage; comments welcome.
Genomic Explorer Suite: Allows the searching and presentation of genomic information from diverse databases using BSML (Bioinformatic Sequence Markup Language).
Jumbo3-J: An XML-CML molecular browser and toolkit for the Chemical Markup Language (CML).
Voice Browsers - W3C Note: This note describes features needed for effective interaction with Web browsers that are based upon voice input and output.
X-Smiles: X-Smiles is a Java based Open Source XML browser capable of displaying documents written in various XML languages.
XNGR XML Browser: An open source browser and editor framework written in Java. Development information and downloads.
XSBrowser: Open source browser that creates a human readable document model from a given DTD or XML schema.