A free, open-source
Claude DesignOpen Design is a local-first design workspace. Describe what you want, and it builds websites, prototypes, slides and motion graphics with the coding agents you already use.
Get Open Design on GitHub- Free + open source
- Apache-2.0
- Runs locally
- 104k stars on 30 Oct 2026
Made by nexu-io. I'm not affiliated with them; I just think it's good.
Set it up in 3 steps
No terminal needed on Mac or Windows:
Download the app
Go to open-design.ai or the GitHub Releases page and install the Mac or Windows app. You do not need Node or a code editor.
Let it find your agent
Have Claude Code, Codex or another coding agent installed first. The app detects it by itself, so there is no new subscription.
Type your first brief
Then keep prompting on the canvas until it looks right:
Build a landing page for my agency with a hero, three services and a booking section.
Use it inside Claude Code instead (no app)
Run this in your terminal. Swap claude for codex, cursor or another supported agent.
On Linux?
There is no prebuilt Linux app yet, so run it from source. The steps are in the repo README.
The app is free, but your agent still uses your own Claude or Codex plan or API key.
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