Vector Databases

Postgres with GPUs for ML/AI apps.

A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

Open-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in production by Google

Open-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in production by Google

Superduper: End-to-end framework for building custom AI applications and agents.

MineContext is your proactive context-aware AI partner（Context-Engineering+ChatGPT Pulse）

A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

HelixDB is an open-source graph-vector database built from scratch in Rust.

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

ACID Document Database

OP Vault ChatGPT: Give ChatGPT long-term memory using the OP Stack (OpenAI + Pinecone Vector Database). Upload your own custom knowledge base files (PDF, txt, epub, etc) using a simple React frontend.

Open-source tools for prompt testing and experimentation, with support for both LLMs (e.g. OpenAI, LLaMA) and vector databases (e.g. Chroma, Weaviate, LanceDB).

🧠 AI-powered enterprise search engine 🔎

🚀 efficient approximate nearest neighbor search algorithm collections library written in Rust 🦀 .