Funnode: Play Chess, checkers, Go, and other games.
Nothing really going on in the forums. The server, although still in beta, has been online for several months now. They are open to comments/criticism.
nothing to install and works on most smartphones and tablets
Play Humans or Bots (p4wn and Stockfish)
"Undo Move" and "Offer Draw" options available
Personalized Player Pages to keep track of Ratings and Ranks
Private Games (useful for teaching)
All games are Saved - Reviewable and Downloadable in PGN format
I signed on at 11:38 am and found no players waiting for a game.