Open source focus

Open Source Alternatives to Unity Technologies

8 open source Game Engine options similar to Unity Technologies, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

View all alternatives to Unity Technologies →

Comfy Org
Not rated
Comfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Heroic Labs
Not rated
Social infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
Cua
Not rated
Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
GDevelop
Not rated
No-code game development platform empowering creators to build games without prior technical skills.
Open source
Cap
Not rated
Open-source screen recording, editing, and hosting tool with ownership of your data.
Open source · Self-hostable
.NET
Not rated
A free, cross-platform, open-source developer platform for building many types of applications.
Open source · Self-hostable
Elementor
Not rated
Elementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
Ghost
Not rated
An open-source platform for professional publishers to create, share, and grow a business around their content.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
Comfy OrgComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.	Open source	-	Not rated	-
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Open source · Self-hostable	-	Not rated	-
CuaCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.	Open source	-	Not rated	-
GDevelopNo-code game development platform empowering creators to build games without prior technical skills.	Open source	-	Not rated	-
CapOpen-source screen recording, editing, and hosting tool with ownership of your data.	Open source · Self-hostable	-	Not rated	-
.NETA free, cross-platform, open-source developer platform for building many types of applications.	Open source · Self-hostable	-	Not rated	-
ElementorElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.	Open source · Self-hostable	-	Not rated	-
GhostAn open-source platform for professional publishers to create, share, and grow a business around their content.	Open source · Self-hostable	-	Not rated	-