Fission-AI/OpenSpec
Spec-driven development (SDD) for AI coding assistants.
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
5 releases in the last 90 days, the latest today, with 150 contributors on GitHub.
Peaked at #13 in the weekly ranking the week of Sep 20, its best in the past year.
Use Cases & Benefits
- Enables spec-driven development workflows for AI coding assistants to align on requirements before coding.
- Provides a lightweight, flexible spec layer that supports iterative updates without rigid phase gates.
- Use for coordinating human and AI collaboration to define clear software specs before implementation.
- Use for managing feature proposals, designs, and tasks in organized folders to streamline development.
- Use for integrating with 20+ AI assistants via slash commands to enhance coding assistant workflows.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
MIT
Permissive: commercial use, modification and redistribution are allowed with attribution.
Community files
- README: present
- Contributing guide: present
Watch-outs
No watch-outs from GStars' checks.
General guidance from repository metadata, not legal advice. How we score
From the README
Follow @0xTab on X for updates · Join the OpenSpec Discord for help and questions.
Using OpenSpec in a team? Email here for access to our Slack channel.
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+9,076 stars over 83 days across 18 snapshot days; best day +319 on Sep 19.
Forks
5.1K+604
Open issues
200-4
Compared with peers in AI
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| D4Vinci/Scrapling | 101.1K | +6.3K | 75 | 6 days ago |
| thedotmack/claude-mem | 115.8K | +4.7K | 75 | today |
| heygen-com/hyperframes | 82.3K | +4.0K | 75 | today |
| harry0703/MoneyPrinterTurbo | 142.0K | +3.8K | 75 | 3 days ago |
| github/spec-kit | 149.2K | +2.6K | 75 | today |
| Fission-AI/OpenSpec | 74.2K | — | 40 | today |
| Category median | 115.8K | +4.0K | 75 | — |
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