Lichess is a fully open-source chess platform focused on privacy, transparency, and community-driven development.

It includes real-time multiplayer chess, tournaments, studies, computer analysis with Stockfish, mobile apps, APIs, and more, all without ads or paywalls.

The entire platform is open source and backed by a massive infrastructure handling billions of games.

Source: https://github.com/lichess-org/lila

More details: https://digitalescapetools.com/tools/tool.html?id=lichess

More privacy-friendly tools: https://digitalescapetools.com/