Jun 23 2006: Version 0.11t7 (Installer, Zip)
May 27 2006: Version 0.11t6 (Zip)
May 7 2006: Version 0.11t5 (Zip)
Apr 18 2006: Version 0.11t2 (Zip)
Apr 8 2006: Version 0.10 (Deprecated)

Source code is for developers and the overly curious. It is released under the GPL which can be read here http://www.gnu.org/copyleft/gpl.html.

Jun 17 2006: Oldblivion source code