Discover 68+ indie Games & Entertainment tools built by independent makers. Open-source and bootstrapped alternatives with install commands and compatibility data.
zig game engine & graphics toolkit
a fresh, modern & lightweight HTML5 game engine
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
Open-source voxel game engine — build your own block worlds
Lightweight and modular C++11 graphics middleware for games and data visualization
A wonderful list of Game Development resources.
3D C++ Game Engine - yet another open source game engine
Immersive Sim Template Project for GODOT 4
Minimal dark editor theme for the Godot game engine
Defold is a completely free to use game engine for development of desktop, mobile and web games.