The DeepMatrixIP9 package (new 4/04/2017 update version 1.06!) including client, server, source code, and documentation: DeepMatrixIP9-v1_06.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
and its server: VNet Server.zip
The final incarnation of what started as "Spazz" way-back-when. It has now followed "Liquid Reality" into one-ness with the Borg.
Keith Rule's classic format converter and still my personal favorite.