Andargor's Home
Site contains an HTML searchable index of the 3.5 SRD, a windows help version of the 3.5 SRD, and now hosts the updated versions of Jamis Buck's NPC Generator.
D&D XML Tools
A project to create a XML format for D&D spells and monsters, and to encourage the development of software using that format.
d20 PlayersMap Software
Contains a download for playing online using chat and graphics. [Registration required]
dgsh - A D20 Dungeon Shell
A software tool that allows the dungeonmaster to track their party and their opponents with simple commands. It runs on any Java 1.4.x virtual machine.
Hero Workshop D&D 3e Character Generator
A shareware D20 character generator that features much of the material available for the D20 system. Has a working trial, but requires payment for a full version.
OpenRPG: Online Virtual Tabletop
Open source software allowing people to play role playing games in real-time over the Internet.