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PufferPanel is an open source game server management panel, designed for both small networks and personal use

The command-line tool for quick, simple deployment and management of Linux dedicated game servers.

Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱

A centralized game library/collection management service with a focus on emulation

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.

♞ lichess.org: the forever free, adless and open source chess server ♞

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe