pgvector license, foundation and stars
Search and vector · Custom or mixed (see the LICENSE file) (source-available) · 23,155 stars
Open-source vector similarity search for Postgres
License history
LICENSE fileCustom 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).
More in search and vector
| Project | Stars | |||
|---|---|---|---|---|
| AGPL v3 or SSPL or ELv2changed Sep 2024 | 78k | +46 | v9.5.4Sep 15, 2026 | |
| MIT for most code, Business Source License 1.1 for Enterprise Edition partschanged Jul 2025 | 59.4k | - | - | |
| Apache 2.0 | 46.3k | +92 | v3.0.2Sep 20, 2026 | |
| Apache 2.0 | 34.8k | +139 | v1.19.1Sep 4, 2026 | |
| Apache 2.0 | 29.4k | - | - | |
| GPL v3 | 26.6k | - | - | |
| MPL 2.0 | 21.4k | - | - | |
| BSD-3-Clause outside the wl directory, Weaviate License inside itchanged Aug 2026 | 16.8k | - | - |
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
- From the second weekly snapshot
Weekly snapshots
| Week of | Stars | |
|---|---|---|
| Sep 21, 2026 | 23,155 |
Changes
| What changed | |
|---|---|
| Sep 25, 2026 | TrackedAdded: pgvector/pgvector |