Recent versions of rep-gtk also wrap the GNOME and libglade libraries.
The latest released version of rep-gtk is available from:
Alternatively you may use anonymous CVS to access the latest development sources (with no guarantees that they will work correctly, or even compile).
cvs -d:pserver:email@example.com:/cvs/gnome login cvs -d:pserver:firstname.lastname@example.org:/cvs/gnome co rep-gtk
When prompted for a password for anonymous, simply press the Enter key. Updates from within the module's directory do not need the -d parameter. You can also browse the source tree.
Here's the GTK hello program for librep.
The permanent location for this page is http://rep-gtk.sourceforge.net/.
The sourceforge project page is https://sourceforge.net/projects/rep-gtk
There is a rep-gtk mailing list. See the sourceforge project page for details on how to subscribe.