melonJS is described as 'open source HTML5 game engine that empowers developers and designers to focus on content' and is an app in the Development category. There are more than 50 alternatives to melonJS for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Self-Hosted solutions. The best alternative is Godot Engine, which is both free and Open Source. Other great apps like melonJS are Unity (Freemium), Unreal Engine (Freemium), GDevelop (Free Personal, Open Source) and LÖVE (Free, Open Source).
AGKSharp is a free implementation of AppGameKit to be used with C# and .NET With AGKSharp you can write 2D and 3D application and games for Windows in an object-oriented language using the full power of AppGameKit, C# and .
UrhoSharp is a lightweight Game Engine suitable for using with C# and F# to create games and 3D applications. The game engine is available as a portable class library, allowing your game code to be written once and shared across all platforms.
JMonkeyEngine3 it’s a free, open source game engine, made especially for Java game developers who want to create 3D games using modern technology. The software is programmed entirely in Java, intended for wide accessibility and quick deployment.
A simple framework for creating VR with Lua. LÖVR projects work on Windows, macOS, and Linux. You can run the same code on an HTC Vive or an Oculus Rift, and there's even a drag and drop tool for exporting projects to WebVR.
A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever! Data Driven All engine and game logic uses Bevy ECS, a custom Entity Component System - Fast: Massively Parallel and Cache-Friendly.