Minecraft-esque voxel engine, in search of it's own identity. Written in C# and OpenGL.

The Ren'Py Visual Novel Engine

Libprimis: Imprimis' 3D destroyable world engine

Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.

Fast, light & extensible template engine for C#

Godot Kotlin JVM Module

Music & Rhythm-based FPS Aim Trainer

ShooTing Game Engine

A fork of a rhythm game made with HaxeFlixel

🐼 Universal, Type-Safe, CSS-in-JS Framework for Product Teams ⚡️

A Petri net based automation engine.

YIRL is a Work in progress game engine aiming to be fully configurable, scriptable and mod friendly.

A Simple Physics-ORienTed graphics engine based on OpenGL.

Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive themes.

A multi-account, form-based, database-less, application-wide, Rails authenticator.

A fast and lightweight game engine powered by Go and OpenGL.

Workflow/State Machine Engine written in modern C++. Offers a comprehensive DSL (Domain Specific Language) for UML state machines. Comes with a runtime to run, trace and visualize your state machines.

Game development framework / engine designed for programmers, focusing at ease of use.

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development, and can be deployed anywhere. It is flexible, extensible and includes networking and XR - across platforms. Documentation at https://docs.needle.tools

scene-oriented, flexible 3D engine (C++, Python, C#, Java)