It looks like you're new here. If you want to get involved, click one of these buttons!
Never wrong, a good link list of good sources for Vanillaforums. I will extend this over time and hope there is some stuff to find for you in here.
The official page of the OS version of Vanillaforums
The official OS community of Vanillaforums
Vanillaforums on GitLab
The official Addon repository of Vanillaforums
Please drop any other links here and I will add the ones I think make a good fit in the list.