There has been an interesting update to the forum sections on the Joomla Extensions Directory. It has been split into Native Joomla Forums and Forum Bridges.
I was shocked to see only five native Joomla forums remaining. There are two native forums with a wide range of features:
And three very basic forums:
Other solutions such as LoudMouth and Kookaburra have been
discontinued. The upside is that as native forums have flagged, there are some great bridges for 1.5 including J!Fusion and Rokbridge.