Open Source Design & Visualization Utilities
A curated collection of the best open source utilities for creating visuals, styling code, and design tasks..
Collaborative whiteboard with a hand-drawn aesthetic
Stars
134,434Last commit
13 hours agoLicense
MIT
Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
73,777Last commit
19 hours agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
Open-source UI design and prototyping for product teams
Stars
61,546Last commit
12 hours agoLicense
MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Open Source Alternative to:
Free instant whiteboard with real-time collaboration
Stars
51,057Last commit
11 hours agoLicense
Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Open Source Alternative to:
Procedural vector editor that runs in your browser, no signup needed
Stars
27,700Last commit
8 hours agoLicense
Apache-2.0
A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.
Open Source Alternative to:
Create beautiful images of your code
Stars
2,366Last commit
9 days agoLicense
MIT
Turn your code into beautiful images. Choose from a range of syntax colors, hide or show the background, and toggle between a dark and light window.
Transform your source code into stunning visuals
Stars
1,846Last commit
10 months agoLicense
MIT
Create beautiful, customizable images of your source code with ease, perfect for presentations, documentation, and social media sharing.
Postiz – The All-in-One agentic social media scheduling tool
Openlane