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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:
      33,283
    • Recent downloads:
      6,166
    • License:
      MIT OR Apache-2.0
    • Stars:
      66
    • Last activity:
      2024-09-20

  • bevy_ecs

    ECS

    Bevy Engine's entity component system

    • Latest version:
      0.16.0
    • Downloads:
      2,565,179
    • Recent downloads:
      378,614
    • License:
      MIT OR Apache-2.0
    • Stars:
      39,362
    • Last activity:
      2025-05-04

  • brood

    ECS

    A fast and flexible entity component system library.

    • Latest version:
      0.9.1
    • Downloads:
      12,704
    • Recent downloads:
      2,470
    • License:
      MIT OR Apache-2.0
    • Stars:
      41
    • Last activity:
      2023-11-20

  • calx-ecs

    ECS

    Serializable entity component system for games

    • Latest version:
      0.6.1
    • Downloads:
      9,447
    • Recent downloads:
      1,086
    • 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:
      32,998
    • Recent downloads:
      2,606
    • License:
      MIT

  • dotrix

    3D Rendering · Game Engines · ECS

    3D Game Engine

    • Latest version:
      0.5.2
    • Downloads:
      7,582
    • Recent downloads:
      1,236
    • License:
      MIT
    • Stars:
      303
    • Last activity:
      2025-03-27

  • edict

    ECS

    Powerful entity-component-system library

    • Latest version:
      0.6.1
    • Downloads:
      31,609
    • Recent downloads:
      5,958
    • License:
      MIT OR Apache-2.0
    • Stars:
      99
    • Last activity:
      2025-04-07

  • evenio

    ECS

    An event-driven entity component system

    • Latest version:
      0.6.0
    • Downloads:
      11,727
    • Recent downloads:
      2,229
    • License:
      MIT
    • Stars:
      143
    • Last activity:
      2024-09-09

  • flax

    ECS

    An ergonomic archetypical ECS

    • Latest version:
      0.7.1
    • Downloads:
      13,208
    • Recent downloads:
      2,346
    • License:
      MIT
    • Stars:
      83
    • Last activity:
      2025-05-01

  • 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:
      30,677
    • Recent downloads:
      2,818
    • License:
      MIT/Apache-2.0
    • Stars:
      314
    • Last activity:
      2020-09-28

  • hecs

    ECS

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

    • Latest version:
      0.10.5
    • Downloads:
      197,291
    • Recent downloads:
      24,818
    • License:
      MIT OR Apache-2.0
    • Stars:
      1,079
    • Last activity:
      2025-04-04

  • legion

    ECS

    High performance entity component system (ECS) library

    • Latest version:
      0.4.0
    • Downloads:
      184,337
    • Recent downloads:
      15,137
    • License:
      MIT
    • Stars:
      1,671
    • Last activity:
      2021-12-30

  • shipyard

    ECS

    Entity Component System

    • Chat on Gitter
    • Latest version:
      0.8.0
    • Downloads:
      74,312
    • Recent downloads:
      12,130
    • License:
      MIT OR Apache-2.0
    • Stars:
      791
    • Last activity:
      2025-04-30

  • sparsey

    ECS

    Entity Component System based on sparse sets

    • Latest version:
      0.13.1
    • Downloads:
      16,136
    • Recent downloads:
      3,020
    • License:
      MIT OR Apache-2.0
    • Stars:
      184
    • 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:
      740,998
    • Recent downloads:
      52,817
    • License:
      MIT OR Apache-2.0
    • Stars:
      2,565
    • 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:
      9,437
    • Recent downloads:
      1,311
    • License:
      MIT
    • Stars:
      136
    • Last activity:
      2020-01-05

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