MyBB Community Forums

is there any plugin which can integrate wordpress, joomla with mybb database...
so it will be easy for users..without multiple login they can login to forum and blog with single user id and password...

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anyone have idea about this..
is there any plugin available for this..
or anyone know modification to do this

i have seen plugin for vBulletin which integrate forum with word press blog link here (http://www.vbulletin.org/forum/showthread.php?t=134521)

Yes.
jFusion has added Wordpress & the MyBB plugin does still work with MyBB 1.6. I have it working on a test site.


EDIT:
There are a few "things to learn" (i.e. jFusion does not support user name changes)
The dual-login & logout works well if you get the cookie settings right and search their forum to solve any issues.