Lichess is also open source. They are transparent with their finances and have taken on a developer who is upgrading their app(s). I say plural as they are keeping the old one with minor fixes but building a new one from the ground up .

The new app can also let you play puzzles while offline and well as play a bot offline.

Major variants are supported like 960, triple chess, atomic, and antichess.

And I think they're also big on not having any trackers on the site too.

[–] cabbage@piefed.social 13 points 8 hours ago* (last edited 8 hours ago)

Lately I've started using fediverse presence as an early indicator to decide whether I trust an organization or company. Proton leaving because they couldn't stand the heat after coming out as terrible kinda proved my point. Mozilla shutting down their instance was a good red flag.

Anyway, here they are: @lichess@mastodon.online

Chess.com links Tiktok, X, Youtube, Twitch, Instagram, and Discord. Lichess links Mastodon, GitHub, Discord, Bluesky, Youtube and Twitch.