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:
      40,256
    • Recent downloads:
      5,114
    • 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:
      3,101,625
    • Recent downloads:
      457,182
    • License:
      MIT OR Apache-2.0
    • Stars:
      41,199
    • Last activity:
      2025-08-24

  • brood

    ECS

    A fast and flexible entity component system library.

    • Latest version:
      0.9.1
    • Downloads:
      15,240
    • Recent downloads:
      1,830
    • 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:
      10,600
    • Recent downloads:
      870
    • 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:
      35,686
    • Recent downloads:
      2,046
    • License:
      MIT

  • dotrix

    3D Rendering · Game Engines · ECS

    3D Game Engine

    • Latest version:
      0.5.2
    • Downloads:
      9,210
    • Recent downloads:
      1,151
    • License:
      MIT
    • Stars:
      308
    • Last activity:
      2025-06-09

  • edict

    ECS

    Powerful entity-component-system library

    • Latest version:
      0.6.1
    • Downloads:
      38,788
    • Recent downloads:
      4,808
    • 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:
      14,502
    • Recent downloads:
      1,886
    • License:
      MIT
    • Stars:
      145
    • Last activity:
      2024-09-09

  • flax

    ECS

    An ergonomic archetypical ECS

    • Latest version:
      0.7.1
    • Downloads:
      15,892
    • Recent downloads:
      1,872
    • 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:
      33,658
    • Recent downloads:
      2,276
    • 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:
      236,097
    • Recent downloads:
      33,072
    • License:
      MIT OR Apache-2.0
    • Stars:
      1,139
    • Last activity:
      2025-07-25

  • legion

    ECS

    High performance entity component system (ECS) library

    • Latest version:
      0.4.0
    • Downloads:
      201,265
    • Recent downloads:
      14,589
    • License:
      MIT
    • Stars:
      1,685
    • Last activity:
      2021-12-30

  • shipyard

    ECS

    Entity Component System

    • Chat on Gitter
    • Latest version:
      0.9.0
    • Downloads:
      88,604
    • Recent downloads:
      11,509
    • License:
      MIT OR Apache-2.0
    • Stars:
      815
    • Last activity:
      2025-08-20

  • sparsey

    ECS

    Entity Component System based on sparse sets

    • Latest version:
      0.13.3
    • Downloads:
      19,791
    • Recent downloads:
      2,761
    • 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:
      801,690
    • Recent downloads:
      51,860
    • License:
      MIT OR Apache-2.0
    • Stars:
      2,566
    • 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:
      10,954
    • Recent downloads:
      1,076
    • 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.