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Self-hosted Vector Databases

A curated collection of the best self-hosted databases optimized for storing and searching vector embeddings..

High-performance vector database for GenAI applications
  • Stars

    46,668
  • Last commit

    15 hours ago
  • License

    Apache-2.0
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss

Open Source Alternative to:

Fast, scalable vector database for AI applications
  • Stars

    35,570
  • Last commit

    7 hours ago
  • License

    Apache-2.0
Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.

Open Source Alternative to:

Open-source vector database for AI search and retrieval
  • Stars

    29,691
  • Last commit

    2 days ago
  • License

    Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Open Source Alternative to:

AI-native vector database for intuitive applications
  • Stars

    16,948
  • Last commit

    3 hours ago
  • License

    BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Open Source Alternative to:

Graph database built for GraphRAG and multi-tenant AI apps
  • Stars

    10,508
  • Last commit

    4 hours ago
  • License

    SSPL-1.0
Graph database using sparse matrix representation and linear algebra to deliver ultra-low latency Cypher queries, native multi-tenancy, and built-in GraphRAG support for AI applications.

Open Source Alternative to:

Full-text & vector search at the edge.
  • Stars

    10,608
  • Last commit

    28 days ago
  • License

    Unknown
Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.

Open Source Alternative to: