

pgvector license, foundation and stars
Search and vector · Custom or mixed (see the LICENSE file) (source-available) · 23,573 stars
Open-source vector similarity search for Postgres
Custom or mixed (see the LICENSE file) No license change recorded since the repository was created in 2021.
Latest release
No GitHub releases published; the project releases elsewhere (tags or its own site).
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About and history
- Repository
- pgvector/pgvector · created Apr 20, 2021
- Language
- C
- Foundation
- None; run by its maintainers
- GitHub detects
- NOASSERTION (a custom or multi-license file; the license above is read from the file itself)
- Stars per week
- 70 (GitHub weekly snapshots)
Weekly snapshots
| Week of | Bar | Stars |
|---|
| Nov 2, 2026 | | 23,573 |
| Oct 26, 2026 | | 23,483 |
| Oct 12, 2026 | | 23,394 |
| Oct 5, 2026 | | 23,274 |
| Sep 21, 2026 | | 23,155 |
Changes
Stars per weekNov 3, 2026
Gains about 70 stars a week, up from 66.
Stars per weekOct 26, 2026
Gains about 66 stars a week, down from 80.
Stars per weekOct 17, 2026
Gains about 80 stars a week, up from 60.
Stars per weekOct 8, 2026
Gains about 60 stars a week.
TrackedSep 25, 2026
Now tracked, from pgvector/pgvector on GitHub.