Side-by-Side Comparison
OpenSpec vs impeccable
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● Fission-AI/OpenSpec (70.8K)
● pbakaus/impeccable (77.5K)
☆ 70.8KOpenSpec stars
☆ 77.5Kimpeccable stars
+6.7KDifference
impeccableStar Leader (1.1x)
⚖️ Comparison Verdict
Star Popularity
impeccable Leads
+6.7K stars (1.1x ratio)
Forks & Derivatives
OpenSpec Leads
4.9K total community forks
Recent Maintenance
impeccable
Pushed 7h ago
Licensing
Different
OpenSpec: MIT vs impeccable: Apache-2.0
Side-by-Side Facts
| Metric | Fission-AI/OpenSpec ↗ | pbakaus/impeccable ↗ |
|---|---|---|
| Description | Spec-driven development (SDD) for AI coding assistants. | The design language that makes your AI harness better at design. |
| GitHub Stars | ☆ 70,819 | ☆ 77,538 |
| Forks | 4,861 | 4,618 |
| Open Issues | 175 | 57 |
| Main Language | TypeScript | JavaScript |
| License | MIT | Apache-2.0 |
| Last Push | Sep 30, 2026 | Oct 6, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
Add verified GitHubRepo badges to either project's README.md to showcase star momentum.
OpenSpec Badge
[](https://githubrepo.cloud/repo/Fission-AI/OpenSpec?utm_source=readme_badge)
impeccable Badge
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