First of all a blatant plug for my own forum - 2 years old in December. 500+ members and counting.
https://www.djgreedyg.proboards77.com
Next one is the Pama Forum, started off as a forum for chat about Pama labels and is now one of the best forums for chat about mostly skinhead reggae. (The lads and lasses who are into just 68-71 reggae hang out here):
https://s7.invisionfree.com/PAMA_FORUM/index.php
Studio Won site, which doesn't seem to have been updated for a while but is still a great site:
https://www.studiowon.com/studiowon/home.htm
Next one is Rastaites - if you ignore the "Jah Jah" stuff (or you can read it if you love all reggae like me) you'll find probably the best what's on guide for ska and reggae there is:
https://rastaites.com/home.html
Now for Skaville from Germany, an essential (if not quite complete) guide to Jamaican covers of (mostly) American tunes:
https://www.skaville.de/
Finally (for now), The Jammin Reggae Archives, a portal to hundreds of other Jamaican music sites:
https://www.niceup.com/
Gordy