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Open Source Vector Databases using C

A curated collection of the best open source databases optimized for storing and searching vector embeddings. using C.

High-performance vector database for GenAI applications
  • Stars


    46,073
  • Last commit


    1 day 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


    34,511
  • Last commit


    11 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:

AI-native vector database for intuitive applications
  • Stars


    16,801
  • Last commit


    10 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:

The tensor database for AI data
  • Stars


    9,233
  • Last commit


    4 months ago
  • License


    Apache-2.0
Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.

Open Source Alternative to:

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


    6,061
  • Last commit


    2 days 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:

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