entity-component-system topic
UECS
Ubpa Entity-Component-System (U ECS) in Unity3D-style
WickedEngine
3D engine with modern graphics
d-zone
An ambient life simulation driven by user activity within a Discord server
dominion-ecs-java
Insanely fast ECS (Entity Component System) for Java
ecs-lib
Tiny and easy to use ECS (Entity Component System) library for game programming
ECS
C++ single-header entity component system library
pmtech
Lightweight, multi-platform, data-oriented game engine.
SpartanEngine
A game engine with an emphasis on real-time cutting-edge solutions
LumixEngine
3D C++ Game Engine - yet another open source game engine
chocolatier
WIP ClojureScript game/engine using Pixi.js for rendering.