June 2011, the new version of MARTE has been released by OMG. It can be downloaded from http://www.omg.org/spec/MARTE/
These are links to other sites at the OMG used along the UML Profile for MARTE standardization effort.
Old MARTE official web page:
Formerly http://www.omgmarte.org, now: http://www.omg.org/omgmarte/
Initial MARTE FTF wiki page:
Formerly http://www.omgwiki.org/marte, now: http://www.omgwiki.org/marte-ftf
Second MARTE FTF wiki page: