the source
libtny is completely opensource. It's released under GPL.
Since libtny is still pre-alpha there is no release management.
CVS
You can get the complete source of libtny (all libraries, all apps) via CVS. This is the best way to get up-to-date source.
cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/libtny login
cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/libtny co libtny
releases
From time to time the libraries and apps are released in source tarballs. Checkout the libtny project-summary at sourceforg.net