Communities
Forums, Q&A networks, and social platforms I hang around on.
Domain
Forums
Steakunderwater (WeSuckLess)
VFX - 2D
Fusion compositing community forum - scripts, tips, and troubleshooting
Stack Exchange
Programming
Q&A network across programming and hundreds of other topics
Polycount
Game Dev
Game art community - forums and contests for 3D artists
Blender Community
VFX - 3D
Blender's official community hub - forums, chat, and events
3DHype
VFX - 3D
CG and 3D art forum - critiques, tutorials, and discussion
Demoscene Forums
Demoscene
Discussion forum for the demoscene community