Most of the JODs are still active. The biggest active fleets can be found in France, Portugal, Croatia. There is a bunch of engaged solo sailors in the UK. Most of these boats are modified with ballast tanks.
JODs
NINJOD www.ninjod.org JOD with water ballast
DINAH http://www.dinah.sail.ie/ JOD and OSTAR winner 2009
BASTARD (now LIMBO, old website still active) www.ger4854.de
SPINDRIFT www.spindriftracing.se ambitious project
Portugese association http://www.jod35.org/
AVE MARIA http://www.veleiro.com/avemaria/frames.htm
OLASEGLARSKOLA http://www.olaseglarskola.se/
TOJANA http://tojana.lt
other JOD owners http://www.jeanneau-owners2.com/owners/id207_jod_35.htm
Sailing
Mini Transat http://www.madstreak.com
!Valencia Yacht mamagement, info abt AC etc. http://www.valenciayacht.blogspot.com/
Racing sailors' homepage http://www.madforsailing.com/
sailing anarchy http://www.sailinganarchy.com/index_page1.php
Sorc (petit bateau) http://www.offshoresolo.com/
Practically sailing http://www.practicallysailing.com/