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Open-source vector similarity search extension for PostgreSQL. Enables HNSW and IVFFlat index vector storage directly inside Postgres.

Open Source
Vector Database
Added: 8/19/2026

Problem

Operating a separate vector database creates data sync discrepancies with relational application data.

Solution

Stores vector embeddings directly as standard PostgreSQL columns with ACID transactions.

Challenge

Information not available.

Key Features

  • HNSW & IVFFlat indexing
  • L2 distance, cosine similarity, inner product
  • Full SQL query joining
  • Supported by AWS, Supabase, Neon

Tech Choices

Tech stack not specified.

Target User

General developers.

Impact

"The impact of this tool is currently being measured by the community."

Quick Details

Pricing
Free
Platforms
PostgreSQL, Linux, Cloud
Updated
8/19/2026