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:
      30,478
    • Recent downloads:
      5,361
    • License:
      MIT OR Apache-2.0
    • Stars:
      63
    • Last activity:
      2024-09-20
  • bevy_ecs

    ECS

    Bevy Engine's entity component system

    • Latest version:
      0.15.3
    • Downloads:
      2,353,087
    • Recent downloads:
      327,447
    • License:
      MIT OR Apache-2.0
    • Stars:
      38,467
    • Last activity:
      2025-03-17
  • brood

    ECS

    A fast and flexible entity component system library.

    • Latest version:
      0.9.1
    • Downloads:
      11,711
    • Recent downloads:
      2,189
    • 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:
      8,970
    • Recent downloads:
      929
    • 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:
      31,779
    • Recent downloads:
      2,311
    • License:
      MIT
    • Latest version:
      0.5.2
    • Downloads:
      6,921
    • Recent downloads:
      1,409
    • License:
      MIT
    • Stars:
      300
    • Last activity:
      2025-01-06
  • edict

    ECS

    Powerful entity-component-system library

    • Latest version:
      0.6.1
    • Downloads:
      28,783
    • Recent downloads:
      5,117
    • License:
      MIT OR Apache-2.0
    • Stars:
      99
    • Last activity:
      2024-11-08
  • evenio

    ECS

    An event-driven entity component system

    • Latest version:
      0.6.0
    • Downloads:
      10,712
    • Recent downloads:
      1,944
    • License:
      MIT
    • Stars:
      140
    • Last activity:
      2024-09-09
  • flax

    ECS

    An ergonomic archetypical ECS

    • Latest version:
      0.7.1
    • Downloads:
      12,134
    • Recent downloads:
      1,996
    • License:
      MIT
    • Stars:
      84
    • Last activity:
      2025-02-18
  • 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:
      29,279
    • Recent downloads:
      2,562
    • License:
      MIT/Apache-2.0
    • Stars:
      313
    • Last activity:
      2020-09-28
  • hecs

    ECS

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

    • Latest version:
      0.10.5
    • Downloads:
      185,021
    • Recent downloads:
      22,127
    • License:
      MIT OR Apache-2.0
    • Stars:
      1,060
    • Last activity:
      2025-03-10
  • legion

    ECS

    High performance entity component system (ECS) library

    • Latest version:
      0.4.0
    • Downloads:
      176,275
    • Recent downloads:
      14,118
    • License:
      MIT
    • Stars:
      1,661
    • Last activity:
      2021-12-30
  • shipyard

    ECS

    Entity Component System

    • Latest version:
      0.7.8
    • Downloads:
      68,637
    • Recent downloads:
      10,350
    • License:
      MIT OR Apache-2.0
    • Stars:
      780
    • Last activity:
      2025-03-16
  • sparsey

    ECS

    Entity Component System based on sparse sets

    • Latest version:
      0.13.1
    • Downloads:
      14,801
    • Recent downloads:
      2,498
    • 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.

    • Latest version:
      0.20.0
    • Downloads:
      714,084
    • Recent downloads:
      51,120
    • License:
      MIT OR Apache-2.0
    • Stars:
      2,548
    • 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:
      8,842
    • Recent downloads:
      1,201
    • License:
      MIT
    • Stars:
      137
    • 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.