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Flax Engine vs Open 3D Engine
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Flax Engine | Open 3D Engine |
|---|---|---|
| Language | C++ | C++ |
| Licence | Other | Other |
| Stars | 7k | 9.7k |
| Latest | 1.12.6912 | 2605.0 |
| Last push | 2026-10-06 | 2026-10-02 |
| Release cadence | about 189 days between releases | about 70 days between releases |
| Active contributors | 18 commit authors on the default branch in the last 90 days | 33 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Unreal Engine. Alternatives to Unreal Engine →
PartialFlax Engine3D engine with a visual editor, scripted in C# and C++, under a royalty-based licence.
PartialOpen 3D EngineModular 3D engine with an editor, a physically based renderer and scripting in C++, Lua and Script Canvas, with a smaller ecosystem.
Flax Engine
unsigned The latest release, 1.12.6912, carries no signature GitHub could verify.
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Open 3D Engine
✓ signed The latest release, 2605.0, carries a signature GitHub verified.
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