Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Native Android app for Habitica
Phaser is a free and fast 2D game framework for making HTML5 games
Innovative user interfaces made easy
JUCE is an open-source cross-platform C++ application framework
LÖVE is an awesome 2D game framework for Lua
API documentation engine for Kotlin
Framework to facilitate communication in the Unity game engine
Godot game template and component-based framework
3D game engine/framework in C, with Luajit and Python bindings now
Realtime application framework (Node.JS server)
An MVVM & Databinding framework that can use C# and Lua
The .NET MVVM framework for cross-platform solutions
Capstone disassembly/disassembler framework
A beautiful, easy-to-use and ad-free comic and game client
Arianne is an engine to develop multiplayer online games like Stendhal
the java game and entertainment runtime
Flutter makes it easy and fast to build beautiful apps for mobile
Sequential Workflow Designer is a lightweight workflow designer
Cerberus Content Management System
🚀 Professional Social Dating Web App Builder (formerly pH7CMS)
java bean / database driven zero code application framework
Sceneform Maintained is an ARCore Android SDK with Google Filament