I will do a bit of looking around and update this page, so for now this is a limited listing of places to play chess960.
Live/Real-time
- Lichess (Free / donation)
- Chess.com (Ad-supported free / commercial)
- ICC (Limited free / commercial)
- FICS (Free / donation)
Correspondence
- Lichess (Free / donation)
- Chess.com (Ad-supported free / commercial)
- Scheming Mind (Free / donation)
- Green Chess (Free)
- Little Golem (Free)