ReplaceUnity.
Godot Engine
2D and 3D game engine with its own editor
Defold
Lightweight engine for 2D and 3D cross-platform games
Compare at a glance
| Tool | Openness | Licence | Platforms | Stars |
|---|---|---|---|---|
 Godot Engine | Open source | MIT | Windows, macOS, Linux, Android, Web | 118k |
 Defold | Source available | LicenseRef-Defold-License-1.0 | Windows, macOS, Linux | 6.4k |