Home Community Ecosystem Games Curators Resources About

Are we game yet?

ECS

Entity Component System implementations

Crates

  • apecs

    ECS

    An asyncronous and parallel entity-component system

    • Latest version:
      0.8.4
    • Downloads:
      41,127
    • Recent downloads:
      4,843
    • License:
      MIT OR Apache-2.0
    • Stars:
      74
    • Last activity:
      2024-09-20

  • bevy_ecs

    ECS

    Bevy Engine's entity component system

    • Latest version:
      0.16.1
    • Downloads:
      3,313,825
    • Recent downloads:
      588,179
    • License:
      MIT OR Apache-2.0
    • Stars:
      41,929
    • Last activity:
      2025-09-15

  • brood

    ECS

    A fast and flexible entity component system library.

    • Latest version:
      0.9.1
    • Downloads:
      15,667
    • Recent downloads:
      1,899
    • License:
      MIT OR Apache-2.0
    • Stars:
      42
    • Last activity:
      2023-11-20

  • calx-ecs

    ECS

    Serializable entity component system for games

    • Latest version:
      0.6.1
    • Downloads:
      10,789
    • Recent downloads:
      904
    • License:
      MIT OR Apache-2.0
    • Stars:
      18
    • Last activity:
      2018-07-30

  • dces

    ECS

    DCES entity component system

    • Latest version:
      0.3.1
    • Downloads:
      36,328
    • Recent downloads:
      2,352
    • License:
      MIT

  • dotrix

    3D Rendering · Game Engines · ECS

    3D Game Engine

    • Latest version:
      0.5.2
    • Downloads:
      9,423
    • Recent downloads:
      1,124
    • License:
      MIT
    • Stars:
      309
    • Last activity:
      2025-06-09

  • edict

    ECS

    Powerful entity-component-system library

    • Latest version:
      0.6.1
    • Downloads:
      39,733
    • Recent downloads:
      4,856
    • License:
      MIT OR Apache-2.0
    • Stars:
      103
    • Last activity:
      2025-06-26

  • evenio

    ECS

    An event-driven entity component system

    • Latest version:
      0.6.0
    • Downloads:
      15,019
    • Recent downloads:
      2,006
    • License:
      MIT
    • Stars:
      145
    • Last activity:
      2024-09-09

  • flax

    ECS

    An ergonomic archetypical ECS

    • Latest version:
      0.7.1
    • Downloads:
      16,273
    • Recent downloads:
      1,898
    • License:
      MIT
    • Stars:
      93
    • Last activity:
      2025-07-26

  • froggy

    ECS

    Froggy is a prototype for the Component Graph System programming model. It aims to combine the convenience of composition-style Object-Oriented Programming with the performance close to Entity-Component Systems.

    • Latest version:
      0.4.4
    • Downloads:
      34,323
    • Recent downloads:
      2,603
    • License:
      MIT/Apache-2.0
    • Stars:
      316
    • Last activity:
      2020-09-28

  • hecs

    ECS

    A fast, minimal, and ergonomic entity-component-system library

    • Latest version:
      0.10.5
    • Downloads:
      245,947
    • Recent downloads:
      38,135
    • License:
      MIT OR Apache-2.0
    • Stars:
      1,147
    • Last activity:
      2025-08-29

  • legion

    ECS

    High performance entity component system (ECS) library

    • Latest version:
      0.4.0
    • Downloads:
      207,174
    • Recent downloads:
      18,802
    • License:
      MIT
    • Stars:
      1,685
    • Last activity:
      2021-12-30

  • shipyard

    ECS

    Entity Component System

    • Chat on Gitter
    • Latest version:
      0.9.0
    • Downloads:
      92,352
    • Recent downloads:
      12,961
    • License:
      MIT OR Apache-2.0
    • Stars:
      818
    • Last activity:
      2025-08-20

  • sparsey

    ECS

    Entity Component System based on sparse sets

    • Latest version:
      0.13.3
    • Downloads:
      20,251
    • Recent downloads:
      2,587
    • License:
      MIT OR Apache-2.0
    • Stars:
      189
    • Last activity:
      2025-06-19

  • specs

    ECS

    Specs is an Entity-Component-System library written in Rust.

    • Chat on Gitter
    • Latest version:
      0.20.0
    • Downloads:
      832,799
    • Recent downloads:
      76,272
    • License:
      MIT OR Apache-2.0
    • Stars:
      2,570
    • Last activity:
      2024-06-07

Archived

These crates are no longer maintained, but may still be of interest.

  • pyro

    ECS

    Entity component system

    • Latest version:
      0.2.5
    • Downloads:
      11,155
    • Recent downloads:
      1,069
    • License:
      MIT
    • Stars:
      136
    • Last activity:
      2020-01-05

Contribute

Do you know about a missing crate? Did you launch a new crate?

Please create a pull request or an issue on our GitHub!

Looking for a crate you can't find here? Try asking on the chat.