Those instructions probably work on Trisquel 7 (they will almost certainly work on Trisquel 8): http://it.toolbox.com/blogs/enlightenment/installing-moksha-desktop-on-debian-jessie-70307
Moksha is free software according to the license in the tarballs on
https://github.com/JeffHoogland/moksha/releases/tag/0.2.0
