- [A Dark Room](https://github.com/doublespeakgames/adarkroom) - Minimalist text adventure game for your browser. ([Demo](http://adarkroom.doublespeakgames.com/)) `MPL-2.0``HTML5`
- [Agar.IO Clone](https://github.com/huytd/agar.io-clone) - Agar.io clone written with Socket.IO and HTML5 canvas. `MIT``Nodejs`
- [Hextris](https://github.com/Hextris/hextris) - Fast paced HTML5 puzzle game inspired by Tetris. ([Demo](http://hextris.io/)) `GPL-3.0``HTML5`
- [Lila](https://lichess.org/) - The forever free, adless and open source chess server powering lichess.org, with official iOS and Android client apps. ([Source Code](https://github.com/ornicar/lila)) `AGPL-3.0``Scala`
- [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT``Go`
- [SourceBans++](https://sbpp.github.io) - Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0``PHP`
- [Spyfall](https://github.com/mpcovcd/spyfall) - Fan made web version of the Spyfall party game. ([Demo](http://spyfall.crabhat.com/)) `MIT``HTML/Javascript`