Open source for data and AI

Projects749Relicensed100

749 projects · 100 relicensed

flexsearch license, foundation and stars

Search and vector · Apache 2.0 (open source) · 13,818 stars

GitHub

Next-generation full-text search library for Browser and Node.js

License history

LICENSE file

Apache 2.0 No license change recorded since the repository was created in 2018.

Latest release

No GitHub releases published; the project releases elsewhere (tags or its own site).

More in search and vector

AGPL v3 or SSPL or ELv278.5k starsElasticsearchFree and Open Source, Distributed, RESTful Search Engine.Elastic · +80 a week · v9.5.4, Sep 15, 2026 · relicensed Sep 2024MIT for most code, Business Source License 1.1 for Enterprise Edition parts59.8k starsMeilisearchA lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.Meilisearch · +58 a week · relicensed Jul 2025Apache 2.046.6k starsMilvusMilvus is a high-performance, cloud-native vector database built for scalable vector ANN search.LF AI & Data · +51 a week · v3.0.2, Sep 20, 2026Apache 2.035.4k starsQdrantQdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI.Qdrant · +105 a week · v1.19.1, Sep 4, 2026Apache 2.029.7k starschromaSearch infrastructure for AI.+47 a weekGPL v327.1k starstypesenseOpen 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.+85 a weekCustom or mixed (see the LICENSE file)23.6k starspgvectorOpen-source vector similarity search for Postgres.+70 a weekMPL 2.021.4k starssonicFast, lightweight & schema-less search backend.+5 a week
ProjectStars
ElasticsearchFree and Open Source, Distributed, RESTful Search Engine.ElasticAGPL v3 or SSPL or ELv278.5k
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 parts59.8k
MilvusMilvus is a high-performance, cloud-native vector database built for scalable vector ANN search.LF AI & DataApache 2.046.6k
QdrantQdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI.QdrantApache 2.035.4k
chromaSearch infrastructure for AI.Apache 2.029.7k
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 v327.1k
pgvectorOpen-source vector similarity search for Postgres.Custom or mixed (see the LICENSE file)23.6k
sonicFast, lightweight & schema-less search backend.MPL 2.021.4k
About and history
Repository
nextapps-de/flexsearch · created Feb 25, 2018
Language
JavaScript
Foundation
None; run by its maintainers
GitHub detects
Apache-2.0
Stars per week
3 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 9, 202613,818
Oct 26, 202613,815
Oct 19, 202613,809
Oct 12, 202613,808
Sep 28, 202613,803
Sep 21, 202613,798

Changes

Stars per weekOct 13, 2026

Gains about 3 stars a week, down from 5.

Stars per weekOct 3, 2026

Gains about 5 stars a week.

TrackedSep 25, 2026

Now tracked, from nextapps-de/flexsearch on GitHub.