InfratoApp / Resources / Open-source alternatives / Unity3D

Open-source alternatives to Unity3D

4 open-source projects are offered as replacements for Unity3D. Godot is the most starred. Running one yourself trades the subscription for your own hosting and upkeep, so the table below leads with what decides that trade: whether the project is alive, what its licence lets a business do, and whether there is a container command to start from.

4 / 4

Pushed in the last 90 days

0 / 4

With a container command

2 / 4

Permissive licence

Unity3D’s own site ↗

Side by side

Open-source alternatives to Unity3D
Project	Stars	Activity	Licence	Self-host	Language
Godot	118,663	Active	Permissive	○	C++
GDevelop	27,716	Active	Not identified	○	JavaScript
Flax Engine	7,053	Active	Not identified	○	C++
Rebelfork	1,046	Active	Permissive	○	C++

Each one, briefly

Godot118,663 stars · permissive · active
Godot Engine – Multi-platform 2D and 3D game engine
GDevelop27,716 stars · not identified · active
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
Also replaces GameMaker
Flax Engine7,053 stars · not identified · active
Flax Engine – multi-platform 3D game engine
Rebelfork1,046 stars · permissive · active
Lightweight Game Engine/Framework in C++17 with WYSIWYG Editor. Experimental C# bindings.

Where this comes from

Which projects are offered against Unity3D comes from opensourcealternative.to, re-read weekly. Every figure in the table is read from the project’s own repository. We have not run these projects, and we hold no price for Unity3D. Browse every open-source alternative.