TOra SVN repository is located at https://tora.svn.sourceforge.net/svnroot/tora/ with the common SVN structure - trunk, branches, tags. Trunk contains the bleeding edge version. Tags are used to store stable and released versions.
svn co https://tora.svn.sourceforge.net/svnroot/tora/trunk tora
Online: Source code browser
If you submit several patches that are approved, you'll generally be quickly given read-write access to the repository to contribute further development.
Please consult all README files in TOra source tarball or in SVN working directory.