EnTT vs PlayCanvas
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A header-only C++ library for entity-component systems and other game-programming tools.
Open source · MIT
A JavaScript 3D game engine that runs in any web browser using WebGL2 or WebGPU.
The short answer
Choose EnTT if you need…
- C++ game developers who want an ECS
- Developers building simulations or engines who need a data-oriented entity store
- C++ programmers who want reusable utilities like signals, hash maps or resource handles
- Projects that already use CMake or a C++ package manager such as vcpkg or Conan
Choose PlayCanvas if you need…
- Web developers who want to add 3D scenes or games to a website
- Developers building AR or VR experiences that run in the browser via WebXR
- Teams that want to show 3D product visualizations or ads in a browser
- Developers who prefer TypeScript or JavaScript for game scripting
Side-by-side
| EnTT | PlayCanvas | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 13.2k | 17.2k |
| Setup difficulty | Advanced | Intermediate |
| How you get it | Clone and build from source | Install with a package manager |
| Main language | C++ | JavaScript |
| Last code update | 4 days ago | 4 days ago |
What each one is
EnTT
EnTT is a C++ library, written in modern C++, that provides an entity-component system (ECS), a pattern where game objects are plain IDs with attached data components, used mostly in game development. The README also lists other pieces such as a reflection system, signal handlers, resource management and an execution graph builder. It is header-only, so you include it in your project rather than linking a separate binary.
PlayCanvas
PlayCanvas Engine is an open-source JavaScript engine for building interactive 3D and 2D apps, games and visualizations that run in a web browser. It is distributed as the npm package playcanvas and includes features such as rendering, physics via ammo.js, animation, input, 3D sound, WebXR support and glTF asset loading.
Best for
EnTT
- C++ game developers who want an ECS
- Developers building simulations or engines who need a data-oriented entity store
- C++ programmers who want reusable utilities like signals, hash maps or resource handles
- Projects that already use CMake or a C++ package manager such as vcpkg or Conan
PlayCanvas
- Web developers who want to add 3D scenes or games to a website
- Developers building AR or VR experiences that run in the browser via WebXR
- Teams that want to show 3D product visualizations or ads in a browser
- Developers who prefer TypeScript or JavaScript for game scripting
Strengths
EnTT
- Header-only, so integration is mostly adding the include path
- Documented API and a wiki with FAQs
- Used by projects the README names, including Minecraft and ArcGIS Runtime SDKs
PlayCanvas
- Free and open source under the MIT license
- Built on modern browser graphics APIs (WebGL2 and WebGPU) and supports glTF 2.0
- Installs with a single npm command and includes a scaffolding CLI for full projects
Not ideal for
EnTT
- Developers who want a full game engine with editor and rendering out of the box, since EnTT is a library of building blocks
- Developers not working in C++, because the library is written in C++
- Teams needing a ready-made binary release, since the latest release has no binaries
PlayCanvas
- People who want a visual, no-code tool only: the README describes the browser-based Editor as a separate project
- Beginners with no JavaScript experience, since the README's examples assume familiarity with JavaScript modules and npm
- Projects that need a native desktop or console build, which the README does not mention
Trade-offs
EnTT
- Large feature surface described only briefly in the README, so learning the whole library takes time
- Requires familiarity with C++ and ECS concepts to use effectively
- Latest release has no prebuilt binaries
PlayCanvas
- The README is truncated and gives little detail on browser or device support
- Requires JavaScript or TypeScript knowledge to use the engine directly
- Learning the engine's API and scene model takes time; the README points to external manuals for depth
Getting started
EnTT
Clone the repository
git clone https://github.com/skypjack/entt.gitPlayCanvas
Install the engine package
npm install playcanvasScaffold a full project (optional)
npm create playcanvas@latestFrequently asked questions
What is the difference between EnTT and PlayCanvas?
EnTT: A header-only C++ library for entity-component systems and other game-programming tools. PlayCanvas: A JavaScript 3D game engine that runs in any web browser using WebGL2 or WebGPU. EnTT suits c++ game developers who want an ecs, while PlayCanvas suits web developers who want to add 3d scenes or games to a website.
Are EnTT and PlayCanvas free?
EnTT: Free and open source. PlayCanvas: Free and open source.
Which is easier to set up, EnTT or PlayCanvas?
PlayCanvas is easier to get started with (rated intermediate); EnTT is rated advanced and usually needs more setup.
Is EnTT or PlayCanvas more popular?
PlayCanvas has more GitHub stars (17.2k) than EnTT (13.2k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to EnTT and PlayCanvas?
Other options people compare them with include Flame, Jolt Physics, Dear ImGui, Phaser, JSON for Modern C++.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.