o3de/o3de
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations. observed · 2026-08-28
Health v2 · maintenance only
90/100
- Activity 99
- Release rhythm 74
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 69.5
- age_days: 1976
- days_rel: 98
- days_push: 8
- n_releases_24m: 9
Adoption not part of the score
9632 stars · 2522 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Open 3D Engine (O3DE) is an Apache 2.0-licensed, multi-platform 3D game engine for building AAA games, cinema-quality 3D worlds, and high-fidelity simulations. It features the modular Atom renderer, a Gem-based extension system, visual scripting, and a full editor, with no fees or commercial obligations.
Use cases
- build a AAA-quality 3D game without licensing fees
- create cinema-quality 3D worlds and visualizations
- develop high-fidelity simulations for robotics or education
- make a cross-platform game for Windows, Linux, and Android
- build a multiplayer game with a built-in networking stack
- extend an open-source game engine with custom modular Gems
- prototype gameplay with visual scripting instead of C++
When to choose
- you want a fully open-source, royalty-free AAA-capable engine
- you need a physically based, modular renderer (Atom) with DirectX 12/Vulkan support
- you prefer C++ and CMake-based workflows with full engine source access
- you're building simulations or robotics projects alongside games
- you want modular feature selection via Gems rather than a monolithic engine
When to avoid
- you need a lightweight 2D-only engine for simple games
- your team relies on macOS as a primary development platform (still experimental)
- you want a huge asset store ecosystem and turnkey tooling like commercial engines offer
- you cannot meet heavy build requirements (Visual Studio, CMake, 16+ GB RAM, 100+ GB disk)
Facets
framework · maturity active
game-engine graphics simulation animation gui simulation graphics robotics cross-platform windows cpp 3d-graphics-engine atom-renderer gems visual-scripting multiplayer aaa-games open-source-engine real-time-rendering physics game-development linux macos android ios cmake
10 sources
- readme: https://github.com/o3de/o3de · fetched 2026-08-28 · 6ec73057b046
- homepage: https://o3de.org · fetched 2026-08-29 · 632efab31849
- site_page: https://o3de.org/features · fetched 2026-08-29 · 234bc2a0d217
- site_page: https://www.docs.o3de.org/docs/welcome-guide/requirements · fetched 2026-08-29 · e45047e5e37d
- site_page: https://www.docs.o3de.org/docs/welcome-guide/supported-platforms · fetched 2026-08-29 · b8bbc292b1d4
- site_page: https://www.docs.o3de.org/docs · fetched 2026-08-29 · e603fd2f335c
- site_page: https://www.docs.o3de.org/docs/user-guide · fetched 2026-08-29 · 62e3cf4bb9e4
- site_page: https://www.docs.o3de.org/docs/contributing · fetched 2026-08-29 · 3bfa2af29922
- site_page: https://www.docs.o3de.org/docs/contributing/code-of-conduct · fetched 2026-08-29 · 06cd396a04b1
- site_page: https://www.docs.o3de.org/docs/user-guide/gems · fetched 2026-08-29 · 07ea54af60a3
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| o3de/o3de | main | 90 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem