1.pgvector / pgvector
Open-source vector similarity search for Postgres
- nearest-neighbor-search
- approximate-nearest-neighbor-search
+2,566 stars
from 21,008 · score 7.85
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2.weaviate / weaviate
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
- search-engine
- semantic-search
- semantic-search-engine
- vector-search
- vector-search-engine
- vector-database
- +14 more
+894 stars
from 16,040 · score 6.80
3.oramasearch / orama
🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.
- data-structures
- full-text
- search
- typo-tolerance
- algiorithm
- search-engine
- +9 more
+336 stars
from 10,260 · score 5.82
4.flann-lib / flann
Fast Library for Approximate Nearest Neighbors
+19 stars
from 2,362 · score 3.00