Flecs is a Fast and Lightweight ECS (Entity Component System). Flecs packs as much punch as possible into a small library with a tiny C99 API and zero dependencies.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux

EntityX is described as 'EC (entity-component) system that uses C++11 features to provide type-safe component management, event delivery, etc. It was built during the creation of a 2D space shooter' and is an app in the development category. There are four alternatives to EntityX for Self-Hosted, Windows and Linux. The best EntityX alternative is Flecs, which is both free and Open Source. Other great apps like EntityX are ECSY, EnTT and Entitas.
Flecs is a Fast and Lightweight ECS (Entity Component System). Flecs packs as much punch as possible into a small library with a tiny C99 API and zero dependencies.

Gaming meets modern C++ - a fast and reliable entity-component system (ECS) and much more. EnTT is a header-only, tiny and easy to use library for game programming and much more written in modern C++, mainly known for its innovative entity-component-system (ECS) model.

Entitas is a super fast Entity Component System Framework (ECS) specifically made for C# and Unity. Internal caching and blazing fast component access makes it second to none. Several design decisions have been made to work optimal in a garbage collected environment and to go...