The latest release of TAO is version 1.2 (with ACE 5.2). A .tgz archive of the source kit is available as well as a .zip version (which is slightly larger). Check the ACE+TAO web site for alternatives.
You can obtain the latest beta kit of ACE+TAO from the ACE+TAO web site.
Introduction
Obtaining TAO
Building TAO
Using TAO
Patches
Support
Feedback