Best Open Source Design & Creative Tools in 2026

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Open Source Alternatives

palmier-pro

stars 10.2Kforks 767

AI video editing made seamless and efficient

Video AI Agents macOS+1

design.md

stars 25.7Kforks 2.1K

Generate UIs effortlessly with AI.

UI/UX Design AI Coding Assistant Low-code+1

OpenMontage

stars 37.2Kforks 4.5K

Turn your AI coding assistant into a video studio

Video AI Coding Assistant

diagrams.net

stars 6Kforks 961

Create portable diagrams without vendor lock-in

UI/UX Design Self Hosted Diagramming+1

Shotcut

stars 14.5Kforks 1.4K

Open source video editor for native timeline workflows on desktop

Developer Tools Video macOS+1

Penpot

stars 55.3Kforks 3.6K

Open source collaborative UI design and whiteboard workspace

UI/UX Design Self Hosted Graphic Design

GrapesJS

stars 26Kforks 4.6K

Build drag-and-drop page editors inside your own stack.

UI/UX Design No Code Website Builder+2

Pixelle-Video

stars 22Kforks 3.1K

Create videos in minutes with AI automation

Video AI Agents Low-code+1

VoxCPM

stars 28.4Kforks 3.2K

Tokenizer-free multilingual text-to-speech with voice cloning

AI SDK LLM Developer Tools+3

Voicebox

stars 40.5Kforks 4.9K

Open source voice synthesis studio for generating audio

AI SDK Developer Tools Local-first+3

Godot Engine

stars 113.8Kforks 25.9K

Free open source game engine for 2D and 3D development

Developer Tools Coding 3D Modeling+3

FreeCAD

Open source parametric 3D modeler for engineering design

3D Modeling Graphic Design Developer Tools+1

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