* [http://wiki.nmr-relax.com/Relax_2.1.0 Official release notes]
* [https://gna.org/forum/forum.php?forum_id=2358 Gna! news item]
* [http://article.gmane.org/gmane.science.nmr.relax.announce/33 6 Gmane]
* [http://www.mail-archive.com/relax-announce%40gna.org/msg00029.html Mail Archive]
* [https://mail.gna.org/public/relax-announce/2012-07/msg00000.html Local archives]