There are 2 repositories under flecs topic.
A fast entity component system (ECS) for C & C++
Data-oriented and multi-threaded C11 Game Engine with libraries & shaders hot-reloading.
Benchmarks of common ECS (Entity-Component-System)-Frameworks in C++ (or C)
A C# wrapper for flecs
This sample demonstrates usage of cr.h (https://github.com/fungos/cr) hot reload library
Unigine-ECS is a blazing Fast and Lightweight ECS (Entity Component System). for Unigine Game Engine.
High level wrapper around the flecs library.
https://github.com/SanderMertens/tower_defense change to use local modules and cmake
Arkanoid clone built in C++ with Raylib and flecs