OpenStego source code and releases are hosted on Github.
You can report issues on Github. Support and bug fixes are purely based on free time available to me (which is not much to start with). Any help in terms of bug fixes, documentation, etc. is welcome.
You can contact me at Samir Vaidya.
Check out my blog at Blogspot.
This application is released under GNU General Public License 2.0 (GPL). Please refer to www.gnu.org.