The top-rated alternative to Chess.com is Lichess, which is free and open source. People also recommend Chess Tempo, ChessEver, ChessUnlock and Noctie.ai. There's no shortage of Chess Games like Chess.com, with more than 25 alternatives for the web, Android, Windows, iPhone and Mac.
Checkerso is a minimalist, ad-free web platform dedicated to classic draughts and board variants. Designed with modern web standards (Astro & Preact), it loads in milliseconds with zero accounts, zero tracking, and zero intrusive ads.
BrainyChess is a chess app that caters to both the amateur and the master! Enjoy online game play, a huge puzzle database, a personal cloud game database, and puzzle and game ratings to gauge your strength.
Personalized, science-based, no-BS chess training app. Builds adaptive daily sessions from your real games and constraints. (AGPL-3.0).
Netherlands
EU
Chess It Up is a free chess game analysis tool that reviews your games move-by-move with a Stockfish engine and no paywall.
United States
