Sites like facer.io

XtremePapers is a discussion forum where students and teachers share past exam papers, study help and general chat

A catalogue of privacy-respecting Wear OS watch faces and complications for smartwatches, with multilingual pages, by amoledwatchfaces

Bowl.hu, a Hungarian forum and news site about American football, covering NFL and NCAA results, discussions and a glossary

A community database and fan site for the BanG Dream! Girls Band Party game, covering characters, cards, and members' profiles

School Idol Tomodachi is a fan-run resource website for players of the LoveLive! School Idol Festival mobile game, with card, idol and map databases

A social community site for Love Live! fans to share adventures, posts and wiki entries about the franchise

An open source unified communications platform project, Issabel, distributing a free PBX software suite and its downloads

A free Japanese learning site with lessons, quizzes and a course, plus Patreon posts, run under the name Marshall's Site

A community database and progress tracker for the game IDOLM@STER Cinderella Girls Starlight Stage, with player profiles, maps and a wiki

A catalogue of mods for the Farming Simulator 25 and FS22 farming games, offered as downloads from the KingMods site

A fan-run database and community site for Revue Starlight, the anime and stage franchise, with news feeds and donator badges

Proko, an online drawing school with video courses on figure, gesture, and perspective drawing, plus drawing apps

A community-run site sharing custom content, mods, stories and archives for life-simming games such as The Sims 1 and 2

Faneo is a Spanish-language social network for publishing and reading webcomics, with user comics such as La Monja Sangrienta

Hackaday.io, a community platform where makers publish and share open hardware development projects and build logs

adminForge is a German-language site of self-hosted open source service guides, Linux admin tutorials, news, an NTP time server and an Android app

Weasel Mods, a forum board for selected Baldur's Gate and Icewind Dale game mods and related news

Qiita, a Japanese knowledge-sharing platform where engineers publish technical articles and tutorials on programming and software development

Yarn, a JavaScript package manager; its documentation and API reference for the @yarnpkg packages

racetime.gg is a website for organising online races in video games and speedruns, with race categories such as Banjo-Kazooie and Metroid Fusion

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A Scottish collective's blog on anti-racist education, covering curriculum reform, race, school policing and museums, with an about page