Godot

DesignGame engines

MIT-licensed 2D and 3D game engine. The community alternative after the Unity exodus.

9.0FreeFree plan

Alternatives

The JavaScript 3D library. WebGL scenes with a clean, widely used API.

9.1DevelopmentLibraries

FreeJavaScriptOpen sourceLibrary

Collaborative interface design, prototyping and Dev Mode in the browser.

9.5DesignUI Design

FreeDesign tool

$16/mo

Template-first design for social, decks, video and brand kits.

8.4DesignUI Design

FreeDesign toolNo-code

$15/mo

Accessible UI components you copy into the project instead of installing as a package.

9.2DesignUI Design

FreeReactTypeScriptOpen sourceLibrary

Enterprise-class React UI library and design language from Ant Group.

8.7DesignUI Design

FreeReactTypeScriptOpen sourceLibrary

Comprehensive React component library that implements Material Design.

8.6DesignUI Design

FreeJavaScriptReactOpen sourceLibrary

Animation engine for explanatory math videos, from 3Blue1Brown.

8.8DesignAnimation

FreePythonOpen source

Generate flowcharts, sequence diagrams and more from text, like Markdown for diagrams.

8.9DesignPrototyping

FreeTypeScriptOpen source

Bloat-free C++ GUI for tools, engines and debug overlays.

9.0DesignUI Design

FreeC++Open sourceLibrary