|https://gna.org/forum/forum.php?forum_id=2375
|http://article.gmane.org/gmane.science.nmr.relax.announce/37
|-
|[[relax 2.1.2]]
|https://gna.org/forum/forum.php?forum_id=2369
|http://article.gmane.org/gmane.science.nmr.relax.announce/35
|-
|[[relax 2.1.1]]
|https://gna.org/forum/forum.php?forum_id=2362
|http://article.gmane.org/gmane.science.nmr.relax.announce/34
|-
|[[relax 2.1.0]]
|https://gna.org/forum/forum.php?forum_id=2358
|
|-
|[[relax 2.0.0]]
|https://gna.org/forum/forum.php?forum_id=2354
|
|}