Design
whiteboard
open-source canvas for thoughtful software design
★ 2.7k starsMIT
View guide →// design · eclipse-sumo/sumo
sumo
sumo is an open-source design project by eclipse-sumo (eclipse-sumo/sumo on GitHub). It has 4,197 GitHub stars and 1,760 forks, is released under the EPL-2.0 license, and was last updated on GitHub on 2 October 2026.
Eclipse SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for inter…
★ 4.2k stars⑂ 1.8k forksEPL-2.0updated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
so here's a placeholder. The guide below is complete regardless.
// project facts
Project facts
- Repository
- eclipse-sumo/sumo
- GitHub stars
- 4,197
- Forks
- 1,760
- License
- EPL-2.0
- Last updated on GitHub
- 2 October 2026
- Category
- Design
- Listing
- Full install guide
- Official site
- Official site
// how it works
How it works
- Pick the surface
Whiteboard, diagrams-as-code, or component library — match the artifact.
- Start from templates
Community templates and themes skip the blank page.
- Collaborate
Real-time editing and version history included.
- Export & ship
SVG/PNG/code output drops into products and docs.
// features
Why people love it
Export anywhere
SVG, PNG, PDF, and framework code.
Self-hostable
Run the whole studio on your own server.
Infinite canvas
Brainstorm without page boundaries.
Component systems
Production-ready UI kits with theming.
Diagrams as code
Version diagrams in git alongside your code.
Real-time collaboration
Multiplayer cursors without the enterprise invoice.
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// run it
Run it yourself
- Step 1 — Clone the repo
Download the source and move into the project folder.
git clone https://github.com/eclipse-sumo/sumo.git cd sumo - Step 2 — Check the README
Every project documents its own setup; start with install requirements.
cat README.md | head -60 - Step 3 — Run it
Follow the project's launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch command
// use cases
What you can build
- Whiteboard product ideas with a team.
- Document architecture as code.
- Build a consistent component library.
- Create presentation-ready diagrams.
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// faq
Questions, answered
Who maintains sumo?
It is an open-source project at eclipse-sumo/sumo with 1,760 forks. Check the repo's contributors and recent commits to see how active maintenance is.
Is sumo free for commercial use?
Licensed under EPL-2.0 — check the repo for commercial-use terms.
Is real-time collaboration solid?
Yes — CRDT-based editing is the standard approach now.
Can it replace Figma?
For whiteboarding and diagrams, yes. Deep product design still favors Figma's ecosystem.
What about design handoff?
Export to code and specs that developers can actually use.
// keep exploring
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View guide →// alternatives
Alternatives in Design
The most-starred other Design projects in the LibreAI catalogue — the realistic shortlist if sumo is not the right fit.
- Excalidraw★ 134.0k
Excalidraw — the virtual whiteboard with the hand-drawn look: infinite canvas, real-time collaboration and end-to-end encrypted sharing, MIT-licensed
- Screenshot To Code★ 80.0k
Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue)
- archify★ 79.8k
Turn any idea, plan or codebase into a beautiful interactive architecture diagram — an agent skill
- AFFiNE★ 73.2k
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Pri…
- draw.io Desktop★ 63.6k
draw.io Desktop — the official offline desktop app for diagrams.net: flowcharts, architecture diagrams and wireframes in an Electron app that never sends your diagram data anywhere, GPL-3.0
// more in design
More in Design
Nearby Design projects in the catalogue, closest in stars to sumo — keep exploring the shelf either side of it.
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- pgmodeler★ 3.6k
Open-source data modeling tool designed for PostgreSQL. No more typing DDL commands. Let pgModeler do the work for you!
- mirotalk★ 4.8k
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- dingtalk-workspace-cli★ 3.2k
DingTalk Workspace is an officially open-sourced cross-platform CLI tool from DingTalk. It unifies DingTalk’s full suite of product capabilities into a singl…
Get sumo
Free and open — grab the source, star the repo, and start creating.