This is the full TET version 3.8 sources for Distributed TET
and TET-Lite, in compressed and gzip'd tar formats and zip format:

266123778	1923380	tet3.8-src.tar.Z
3706565250	1091274	tet3.8-src.tar.gz
1582716679	1810828	tet3.8-src.zip

The latest info about TETware, and TET3 (the open source version)
http://tetworks.opengroup.org/

The FAQ:  Frequently Asked Questions
http://tetworks.opengroup.org/faq.html