Build your own vector store.

Embeddings are the new index — and they belong next to your data, not in someone's cloud.

Stop renting: Pinecone

The ranking rule

Repositories matching this query, sorted by stars:

topic:vector-database stars:>200 pushed:>2025-10-29 archived:false

Synced nightly; star history kept so momentum is measured, not guessed.

30 projects

live from source · api.github.com · Oct 29, 12:54 AM UTC
#1Mintplex-Labs /

anything-llm

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

★ 67.7kMITJavaScriptpushed today
#2meilisearch /

meilisearch

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

★ 59.7kRustpushed today
#3pathwaycom /

serviette

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

★ 58.8kMITPythonpushed 12d ago
#4run-llama /

llama_index

LlamaIndex is the document processing platform for AI

★ 52.7kMITPythonpushed 2d ago
#5milvus-io /

milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

★ 46.5kApache-2.0Gopushed today
#6volcengine /

OpenViking

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

★ 41.1kAGPL-3.0Pythonpushed today
#7VectifyAI /

PageIndex

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

★ 39.9kMITPythonpushed today
#8qdrant /

qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

★ 35.3kApache-2.0Rustpushed today
#9topoteretes /

cognee

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

★ 32.9kApache-2.0Pythonpushed today
#10NirDiamant /

RAG_Techniques

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

★ 30kJupyter Notebookpushed yesterday
#11memvid /

memvid

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

★ 17.2kApache-2.0Rustpushed 3mo ago
#12weaviate /

weaviate

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

★ 16.9kGopushed today
#13alibaba /

zvec

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

★ 16.2kApache-2.0C++pushed today
#14StarTrail-org /

LEANN

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

★ 13.6kMITPythonpushed today
#15langchain4j /

langchain4j

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.

★ 13.3kApache-2.0Javapushed today
#16neuml /

txtai

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

★ 13kApache-2.0Pythonpushed yesterday
#17zilliztech /

claude-context

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

★ 12.7kMITTypeScriptpushed 3mo ago
#18lancedb /

lancedb

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

★ 11.8kApache-2.0Rustpushed today
#19oramasearch /

orama

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

★ 10.6kTypeScriptpushed 10d ago
#20oceanbase /

oceanbase

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

★ 10.4kApache-2.0C++pushed 5d ago
#21databendlabs /

databend

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

★ 9.5kApache-2.0Rustpushed today
#22paradedb /

paradedb

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

★ 9.5kAGPL-3.0Rustpushed today
#23activeloopai /

deeplake

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

★ 9.3kApache-2.0C++pushed 5mo ago
#24MariaDB /

server

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.

★ 8.5kGPL-2.0C++pushed today
#25zilliztech /

deep-searcher

Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python.

★ 8.4kApache-2.0Pythonpushed 1mo ago
#26vespa-engine /

vespa

The AI search platform

★ 7.2kApache-2.0Javapushed today
#27genkit-ai /

genkit

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

★ 6.6kApache-2.0TypeScriptpushed today
#28RediSearch /

RediSearch

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

★ 6.2kRustpushed today
#29HelixDB /

helix-db

HelixDB is an OLTP graph database with native vector and full-text search built in Rust on Object Storage.

★ 6.2kApache-2.0Rustpushed 2d ago
#30volcengine /

MineContext

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

★ 5.5kApache-2.0Pythonpushed 5mo ago