#vector-database

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

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

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

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Python SDK for Milvus Vector Database

The AI search platform

A lightweight, lightning-fast, in-process vector database

Redis Vector Library (RedisVL) -- the AI-native Python client for Redis.

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

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

LLPhant - A comprehensive PHP Generative AI Framework using OpenAI GPT 4. Inspired by Langchain

The best-benchmarked open-source AI memory system. And it's free.

The Agentic Framework of the PHP ecosystem to build production-ready AI driven applications. Connect components (LLMs, Tools, vector DBs, memory) to agents that can interact with your data.

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

Official Weaviate TypeScript Client

Python client for Qdrant vector search engine

Official Python SDK for the Pinecone vector database

Community Plugins for Genkit (OpenAI, Groq, Anthropic, Cohere, etc)