The Best Open Source Unity AlternativesGame Development Tools and other similar apps like Unity in 2023

The best open source alternative to Unity is Godot Engine. If that doesn't suit you, our users have ranked more than 100 alternatives to Unity and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Unity are GDevelop, Defold Engine, Stride Game Engine and Bevy Game Engine.

Unity alternatives are mainly Game Development Tools but may also be IDEs or 3D Modelers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Unity.

Unity alternatives page was last updated

Unity

337

Freemium • Proprietary
Game Development Tool

Unity is a multi-platform game development tool, designed from the start to ease creation. A fully integrated professional...

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Godot Engine
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
Mac
Windows
Linux
Haiku
FreeBSD
158 Godot Engine alternatives
Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.
- - Godot Engine is the most popular Windows, Mac & Linux alternative to Unity.
- - Godot Engine is the most popular Open Source & free alternative to Unity.
Suggest and vote on features
Godot Engine Features
1. LightweightGodot Engine consumes less device resources compared to similar apps.
2. PortableGodot Engine can be used from a USB stick or similar with no prior installation.
3. Keyframe AnimationCompositions can be keyframed in Godot Engine, allowing you to change the parameters over time.
4. MultiplayerGodot Engine offers a game mode for more than one player.
5. Works OfflineGodot Engine can be used without the need to connect to the internet.
6. Ad-freeGodot Engine doesn't contain any form of external advertising.
7. No registration requiredYou can use most of the features in Godot Engine without registration.
8. Support for scriptingGodot Engine supports scripts and macros to automate or customize tasks.
3D Game Engine
2D Game Engine
Cross-Platform
GdScript
Built-in 3D model viewer
Intuitive Nodes
Multiple languages
Simple installation
Visual Programming
FOSS
Comments about Godot Engine as a Alternative to Unity
Almost everyone thinks Godot Engine is a great Unity alternative.
all • positive • negative relevance • date
Guest
It’s really good game engine as unity alternative!
Top positive comment•
1

Guest
Cross platform, open source, and great community support
Top positive comment•
2

maurosoft391
hard to use and awful user interface
Top negative comment•
1

kurifoxen
Its sopen source with no fees
Positive comment•
0

oink1222
the code editor does not work for c# and also sometimes stops working for gd script making you rewrite lines so it works
Negative comment•
0

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5 of 18 comments
GDevelop
Is this is a good alternative?
Yes
No
Freemium • Open Source
Game Development Tool
IDE
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
104 GDevelop alternatives
GDevelop is an open-source game making software designed to be used by everyone. Any kind of 2D games can be created with it and no programming skills are required to get started. Logic of games are made using visual events.
- - GDevelop is the most popular Web-based, Android, iPhone, iPad & Android Tablet alternative to Unity.
Suggest and vote on features
GDevelop Features
1. No Coding RequiredGDevelop can be used without an coding or programming skills.
2. Ad-freeGDevelop doesn't contain any form of external advertising.
3. Support for scriptingGDevelop supports scripts and macros to automate or customize tasks.
Visual Programming
Multiplatform
Material design
Support for HTML5
Multiplatform Export
Event management
Multiple languages
Clean design
Meta-Search
Support for Javascript
Comments about GDevelop as a Alternative to Unity
Most users think GDevelop is a great Unity alternative.
Douglas Joseph Leão Sales
GDevelop is more like a Construct alternative than an Unity one.
Negative comment•
0

Guest
GDevelop is a 2D game engine based in visual programming and very limited in that aspect.
Negative comment•
5

lemin-creation
No-code engine. Can make 2d and recently 3d games. Free game engine. Very easy to use. Also possibility to code in javascript. Very fast installation.
Positive comment•
0

kayl
GDevelop --> 2D Unity --> 3D/2D
Negative comment•
0
Defold Engine
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
IDE
Mac
Windows
Linux
30 Defold Engine alternatives
The completely free and open-source game engine Defold solves the technical issues we all have in common when making games. That way, you can focus on being creative and building a great game.
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Defold Engine Features
1. Dark ModeDefold Engine supports dark mode for comfortable usage in low light conditions.
2. Extensible by Plugins/ExtensionsDefold Engine can be extended with add-ons, plugins and extensions.
3. LightweightDefold Engine consumes less device resources compared to similar apps.
4. Works OfflineDefold Engine can be used without the need to connect to the internet.
2D Game Engine
Lua scripting
Comments about Defold Engine as a Alternative to Unity
pros, cons and recent comments
Ali Mujawar
Can export to desktop and mobile as well and lua is easy to pick up.
Positive comment•
0
Stride Game Engine
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
Windows
Android
iPhone
iPad
Linux
29 Stride Game Engine alternatives
Stride (formerly Xenko) is an open-source C# game engine designed for the future of gaming. It comes with a full toolchain and is especially well suited to create realistic games but allows you much more!.
Suggest and vote on features
Stride Game Engine Features
1. Works OfflineStride Game Engine can be used without the need to connect to the internet.
2. Support for scriptingStride Game Engine supports scripts and macros to automate or customize tasks.
3. Ad-freeStride Game Engine doesn't contain any form of external advertising.
Comments about Stride Game Engine as a Alternative to Unity
Almost everyone thinks Stride Game Engine is a great Unity alternative.
tvgoing1
It offers C# and better options for 3D artist.
Positive comment•
2

Guest
It's more open, I can look under the hood ans see how things work. It's C# all the way down and performance is still great.
Positive comment•
0
Bevy Game Engine
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
Mac
Windows
Linux
120 Bevy Game Engine alternatives
A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever!
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Bevy Game Engine Features
3D Game Engine
Rust
2D Game Engine
Scene System
Armory 3D
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
3D Modeler
Mac
Windows
Linux
Blender
32 Armory 3D alternatives
Armory is an open-source 3D game engine with full Blender integration, turning it into a complete game development tool. The result is a unified workflow from start to finish, making you work faster. No more jumping between different applications.
Suggest and vote on features
Armory 3D Features
Blender Integration
Logic Nodes
Multiplatform Export
Real-time Global Illumination
Configurable
Comments about Armory 3D as a Alternative to Unity
pros, cons and recent comments
lemin-creation
Fully integrated to last builds of Blender 3d, very powerful, and multiplatform ;
Positive comment•
0
Urho3D
Is this is a good alternative?
Yes
No
Free • Open Source
Game Development Tool
Mac
Windows
Linux
Android
iPhone
Raspberry Pi
71 Urho3D alternatives
Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.
Suggest and vote on features
Urho3D Features
1. LightweightUrho3D consumes less device resources compared to similar apps.
Discontinued
This repository has been archived by the owner on Jan 25, 2023. It is now read-only. The founder of Urho3D (Lasse Öörni) is currently working on Turso3D.

Opinions about Urho3D as a Alternative to Unity
Almost everyone thinks Urho3D is a great Unity alternative.