Open Source ECSY Alternatives

    ECSY is described as 'Highly experimental JavaScript-based Entity Component System framework from Mozilla'. There are four alternatives to ECSY for various platforms. The best alternative is Entitas, which is both free and Open Source. Other great apps like ECSY are Flecs (Free, Open Source) and EntityX (Free, Open Source).

    The list of alternatives was last updated Feb 26, 2020

    • 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.
      View 4 alternatives to Entitas
      No screenshots yet
      • Free • Open Source
      • Self-Hosted
    • 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.
      View 4 alternatives to Flecs
      • Free • Open Source
      • Windows
      • Linux


    • EntityX is an EC (entity-component) system that uses C++11 features to provide type-safe component management, event delivery, etc.
      View 4 alternatives to EntityX
      • Free • Open Source
      • Self-Hosted