Best Open-source Vector Databases tools

Explore curated open-source tools in the Vector Databases category. Compare technologies, see alternatives, and find the right solution for your workflow.

10+ projects · Page 1 of 1

Qdrant logo

Qdrant

Fast, scalable vector search engine for AI-driven applications

Stars
31,860
License
Apache-2.0
Last commit
1 hour ago
RustActive
LanceDB logo

LanceDB

Multimodal AI lakehouse with fast, scalable vector search

Stars
10,521
License
Apache-2.0
Last commit
6 hours ago
HTMLActive
Vespa logo

Vespa

Real-time AI-powered search and recommendation at any scale

Stars
6,950
License
Apache-2.0
Last commit
9 hours ago
JavaActive
Milvus logo

Milvus

High-performance vector database built for AI at scale

Stars
44,659
License
Apache-2.0
Last commit
9 hours ago
GoActive
Faiss logo

Faiss

High-performance library for similarity search on dense vectors

Stars
40,216
License
MIT
Last commit
11 hours ago
C++Active
Chroma logo

Chroma

Embedding database for building LLM apps with memory

Stars
28,245
License
Apache-2.0
Last commit
23 hours ago
RustActive
Weaviate logo

Weaviate

Scalable vector database for semantic search and AI applications

Stars
16,285
License
BSD-3-Clause
Last commit
1 day ago
GoActive
RAFT logo

RAFT

Reusable CUDA-accelerated primitives for high-performance GPU ML

Stars
1,012
License
Apache-2.0
Last commit
2 days ago
CudaActive
pgvector logo

pgvector

Vector similarity search integrated directly into PostgreSQL

Stars
21,636
License
Last commit
7 days ago
CActive
DingoDB logo

DingoDB

Distributed multi-modal vector database with MySQL compatibility

Stars
1,701
License
Apache-2.0
Last commit
12 days ago
JavaActive
Infinity logo

Infinity

AI-native database delivering millisecond hybrid search for LLM applications

Stars
4,553
License
Apache-2.0
Last commit
13 days ago
C++Active
Annoy logo

Annoy

Fast, memory-efficient approximate nearest-neighbor search with shared on-disk indexes

Stars
14,248
License
Apache-2.0
Last commit
7 months ago
C++Stable
VectorDB logo

VectorDB

Pythonic vector database with CRUD, sharding, and replication

Stars
649
License
Apache-2.0
Last commit
2 years ago
PythonDormant