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ECS

Entity Component System implementations

Crates

  • apecs

    ECS

    An asyncronous and parallel entity-component system

    • Latest version:
      0.8.4
    • Downloads:
      33,977
    • Recent downloads:
      6,306
    • License:
      MIT OR Apache-2.0
    • Stars:
      69
    • Last activity:
      2024-09-20

  • bevy_ecs

    ECS

    Bevy Engine's entity component system

    • Latest version:
      0.16.0
    • Downloads:
      2,599,848
    • Recent downloads:
      374,658
    • License:
      MIT OR Apache-2.0
    • Stars:
      39,518
    • Last activity:
      2025-05-13

  • brood

    ECS

    A fast and flexible entity component system library.

    • Latest version:
      0.9.1
    • Downloads:
      13,007
    • Recent downloads:
      2,480
    • 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:
      9,569
    • Recent downloads:
      1,081
    • License:
      MIT OR Apache-2.0
    • Stars:
      19
    • Last activity:
      2018-07-30

  • dces

    ECS

    DCES entity component system

    • Latest version:
      0.3.1
    • Downloads:
      33,320
    • Recent downloads:
      2,629
    • License:
      MIT

  • dotrix

    3D Rendering · Game Engines · ECS

    3D Game Engine

    • Latest version:
      0.5.2
    • Downloads:
      7,804
    • Recent downloads:
      1,346
    • License:
      MIT
    • Stars:
      305
    • Last activity:
      2025-05-09

  • edict

    ECS

    Powerful entity-component-system library

    • Latest version:
      0.6.1
    • Downloads:
      32,764
    • Recent downloads:
      6,473
    • License:
      MIT OR Apache-2.0
    • Stars:
      101
    • Last activity:
      2025-04-07

  • evenio

    ECS

    An event-driven entity component system

    • Latest version:
      0.6.0
    • Downloads:
      12,164
    • Recent downloads:
      2,441
    • License:
      MIT
    • Stars:
      145
    • Last activity:
      2024-09-09

  • flax

    ECS

    An ergonomic archetypical ECS

    • Latest version:
      0.7.1
    • Downloads:
      13,632
    • Recent downloads:
      2,496
    • License:
      MIT
    • Stars:
      84
    • Last activity:
      2025-05-06

  • 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:
      31,030
    • Recent downloads:
      2,858
    • License:
      MIT/Apache-2.0
    • Stars:
      315
    • Last activity:
      2020-09-28

  • hecs

    ECS

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

    • Latest version:
      0.10.5
    • Downloads:
      200,111
    • Recent downloads:
      25,125
    • License:
      MIT OR Apache-2.0
    • Stars:
      1,081
    • Last activity:
      2025-04-04

  • legion

    ECS

    High performance entity component system (ECS) library

    • Latest version:
      0.4.0
    • Downloads:
      185,591
    • Recent downloads:
      14,656
    • License:
      MIT
    • Stars:
      1,670
    • Last activity:
      2021-12-30

  • shipyard

    ECS

    Entity Component System

    • Chat on Gitter
    • Latest version:
      0.8.0
    • Downloads:
      75,470
    • Recent downloads:
      12,089
    • License:
      MIT OR Apache-2.0
    • Stars:
      792
    • Last activity:
      2025-04-30

  • sparsey

    ECS

    Entity Component System based on sparse sets

    • Latest version:
      0.13.1
    • Downloads:
      16,561
    • Recent downloads:
      3,126
    • License:
      MIT OR Apache-2.0
    • Stars:
      185
    • Last activity:
      2024-10-05

  • specs

    ECS

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

    • Chat on Gitter
    • Latest version:
      0.20.0
    • Downloads:
      745,291
    • Recent downloads:
      50,086
    • License:
      MIT OR Apache-2.0
    • Stars:
      2,563
    • 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:
      9,605
    • Recent downloads:
      1,348
    • License:
      MIT
    • Stars:
      137
    • Last activity:
      2020-01-05

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