

Quickwit license, foundation and stars
Search and vector · Apache 2.0 (open source) · backed by Quickwit · 11,768 stars
Cloud-native OSS search engine for observability
Open sourceJan 23, 2025
AGPL v3 to Apache 2.0
After Datadog acquired Quickwit, the search engine was relicensed from AGPL 3.0 to Apache 2.0.
Latest release
No GitHub releases published; the project releases elsewhere (tags or its own site).
More in search and vector
| Project | License | Stars | Per week | Latest release |
|---|
ElasticsearchFree and Open Source, Distributed, RESTful Search Engine.ElasticAGPL v3 or SSPL or ELv2 | AGPL v3 or SSPL or ELv2changed Sep 2024 | 78.5k | +80 | v9.5.4Sep 15, 2026 |
MeilisearchA lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.MeilisearchMIT for most code, Business Source License 1.1 for Enterprise Edition parts | MIT for most code, Business Source License 1.1 for Enterprise Edition partschanged Jul 2025 | 59.8k | +58 | - |
MilvusMilvus is a high-performance, cloud-native vector database built for scalable vector ANN search.LF AI & DataApache 2.0 | Apache 2.0 | 46.6k | +51 | v3.0.2Sep 20, 2026 |
QdrantQdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI.QdrantApache 2.0 | Apache 2.0 | 35.4k | +105 | v1.19.1Sep 4, 2026 |
chromaSearch infrastructure for AI.Apache 2.0 | Apache 2.0 | 29.7k | +47 | - |
typesenseOpen Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences.GPL v3 | GPL v3 | 27.1k | +85 | - |
pgvectorOpen-source vector similarity search for Postgres.Custom or mixed (see the LICENSE file) | Custom or mixed (see the LICENSE file) | 23.6k | +70 | - |
sonicFast, lightweight & schema-less search backend.MPL 2.0 | MPL 2.0 | 21.4k | +5 | - |
About and history
- Repository
- quickwit-oss/quickwit · created Apr 13, 2021
- Website
- quickwit.io
- Language
- Rust
- Foundation
- None; run by Quickwit
- Company
- Quickwit · on Companies
- GitHub detects
- Apache-2.0
- Stars per week
- 16 (GitHub weekly snapshots)
Weekly snapshots
| Week of | Bar | Stars |
|---|
| Nov 2, 2026 | | 11,768 |
| Oct 26, 2026 | | 11,742 |
| Oct 12, 2026 | | 11,722 |
| Oct 5, 2026 | | 11,702 |
| Sep 21, 2026 | | 11,674 |
Changes
Stars per weekNov 5, 2026
Gains about 16 stars a week, up from 14.
Stars per weekOct 26, 2026
Gains about 14 stars a week, down from 16.
Stars per weekOct 17, 2026
Gains about 16 stars a week, up from 14.
Stars per weekOct 8, 2026
Gains about 14 stars a week.
RelicensedSep 25, 2026
Relicensed from AGPL v3 to Apache 2.0.
TrackedSep 25, 2026
Now tracked, from quickwit-oss/quickwit on GitHub.