Description: GameKnot is a free online chess server that allows players to play chess games, participate in tournaments, solve puzzles, and analyze games. It has a large community of chess players and features various playing levels from beginner to master.
Type: software
Description: Lichess is a free and open-source chess server for playing chess online. It allows users to play anonymously against other players or friends in real-time or through correspondence games. Key features include analysis tools, puzzles, lessons, and tournaments.
Type: software
Pricing: Open Source