Side-by-Side Comparison
impeccable vs OpenSpec
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● pbakaus/impeccable (72.5K)
● Fission-AI/OpenSpec (70.8K)
☆ 72.5Kimpeccable stars
☆ 70.8KOpenSpec stars
+1.7KDifference
impeccableStar Leader (1.0x)
⚖️ Comparison Verdict
Star Popularity
impeccable Leads
+1.7K stars (1.0x ratio)
Forks & Derivatives
OpenSpec Leads
4.9K total community forks
Recent Maintenance
OpenSpec
Pushed 5d ago
Licensing
Different
impeccable: Apache-2.0 vs OpenSpec: MIT
Side-by-Side Facts
| Metric | pbakaus/impeccable ↗ | Fission-AI/OpenSpec ↗ |
|---|---|---|
| Description | The design language that makes your AI harness better at design. | Spec-driven development (SDD) for AI coding assistants. |
| GitHub Stars | ☆ 72,537 | ☆ 70,819 |
| Forks | 4,378 | 4,861 |
| Open Issues | 65 | 175 |
| Main Language | JavaScript | TypeScript |
| License | Apache-2.0 | MIT |
| Last Push | Sep 29, 2026 | Sep 30, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
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impeccable Badge
[](https://githubrepo.cloud/repo/pbakaus/impeccable?utm_source=readme_badge)
OpenSpec Badge
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