The DeepMatrixIP9 package (new 9/13/2010 update version 1.04!) including client, server, source code, and documentation: DeepMatrixIP9-v1_04.zip

The original Geometrek DeepMatrix applet, server, source code and documentation: DeepMatrix-1.3.zip

The grand daddy of them all! The original VNet EAI applet and JSAI clients by Steven White and Jeff Sonstein: VNet Client.zip
and its server: VNet Server.zip

Vivaty Studio
The final incarnation of what started as "Spazz" way-back-when. It has now followed "Liquid Reality" into one-ness with the Borg.

Crossroads 3D Format Converter
Keith Rule's classic format converter and still my personal favorite.