Comparison
ECC vs open-design
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| ECC | open-design | |
|---|---|---|
| Tagline | The agent harness performance optimization system | The open-source Claude Design alternative |
| Stars | 227k | 76k |
| Forks | 35k | 8.7k |
| Open issues | 73 | 540 |
| Language | JavaScript | TypeScript |
| License | MIT | Apache-2.0 |
| Last pushed | Jul 6, 2026 | Jul 7, 2026 |
| Categories | AI Agents, Developer Tools | AI Agents, Developer Tools |