godot

Godot Engine – Multi-platform 2D and 3D game engine ..

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raylib

A simple and easy-to-use library to enjoy videogames programming ..

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entt

Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more ..

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o3de

Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations. ..

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gameplay

Open-source, cross-platform, C++ game engine for creating 2D/3D games. ..

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panda3d

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU ..

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olcPixelGameEngine

The official distribution of olcPixelGameEngine, a tool used in javidx9s YouTube videos and projects ..

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halley

A lightweight game engine written in modern C++ ..

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spring

A powerful free cross-platform RTS game engine. - Report issues at https://springrts.com/mantis/ ..

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Torque3D

MIT Licensed Open Source version of Torque 3D from GarageGames ..

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xray-16

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;) ..

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Polycode

Polycode is a cross-platform framework for creative code. ..

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