Head to head
5 of 12 recorded facts differ. Everything below is source-reported with a capture date. Niched has not published a buyer verdict for this pair, so nothing here declares a winner. A winner only exists inside a defined buyer niche with stated constraints.
ERD Builder Pro is a database design and documentation tool for developers. Build ERDs, flowcharts, notes, and drawings — all in one workspace. erd-builder-pro is open source, written primarily in TypeScript, released under Other. Its repository has 190 GitHub stars and 37 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases, UI design & prototyping.
Visit ↗Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT. open-codesign is open source, written primarily in TypeScript, released under MIT License. Its repository has 7.6K GitHub stars and 800 forks, and was last committed to within the last two months. Niched places it in UI design & prototyping.
Visit ↗| Fact | erd-builder-pro | open-codesign |
|---|---|---|
| Official SDK installs, 30 days | Not recorded | Not recorded |
| SDK evidence captured | Not recorded | Not recorded |
| GitHub stars | 190 | 7.6K |
| Forks | 37 | 800 |
| Open issues | 0 | 78 |
| Last commit | 2 days ago | 1 months ago |
| Primary language | TypeScript | TypeScript |
| License | Other | MIT License |
| Open source | Yes | Yes |
| Pricing model | Not recorded | Not recorded |
| Founded | Not recorded | Not recorded |
| Categories | Not recorded | Not recorded |