A simple deb, rpm and apk packager written in Go
Scripting platform, modding framework and VR support for RE Engine
Ralph is the CMDB / Asset Management system for data center
Unity / XNA game patcher and plugin framework
A framework to build Pokémon RPG games
Debian repository management tool
A truly Open Source MongoDB alternative
Phaser is a free and fast 2D game framework for making HTML5 games
A lightweight game server framework implemented with Actor Model
Cross-platform runtime for cloud, mobile, desktop, and IoT apps
MAME is a multi-purpose emulation framework
A fast and reliable entity component system (ECS) and much more
LÖVE is an awesome 2D game framework for Lua
3D game engine/framework in C, with Luajit and Python bindings now
Godot game template and component-based framework
UI Automation Framework for Games and Apps
Telegram Bot API for Java
A grid based movement engine compatible with Phaser3
Multiplayer Framework for Node.js
A free (libre) open source, mobile OS for Ethereum
Open source and cross-platform machine learning framework for .NET
Access serial ports with JavaScript. Linux, OSX and Windows
Flexible, extensible, and scalable video game matchmaking
Arianne is an engine to develop multiplayer online games like Stendhal