The Vector Database Directory
Quality-scored directory of 3,002 vector databases, updated daily. Every tool scored on maintenance, adoption, maturity, and community signals.
Vector databases store and query high-dimensional embeddings for semantic search, RAG pipelines, and recommendation systems.
25
70–100
109
50–69
443
30–49
2,425
10–29
Top tools by quality score
| # | Tool | Score |
|---|---|---|
| 1 |
weaviate/weaviate
Weaviate is an open-source vector database that stores both objects and... |
|
| 2 |
qdrant/qdrant
Qdrant - High-performance, massive-scale Vector Database and Vector Search... |
|
| 3 |
chroma-core/chroma
Open-source search and retrieval database for AI applications. |
|
| 4 |
lancedb/lancedb
Developer-friendly OSS embedded retrieval library for multimodal AI. Search... |
|
| 5 |
neuml/txtai
💡 All-in-one AI framework for semantic search, LLM orchestration and... |
|
| 6 |
firebase/genkit
Open-source framework for building AI-powered apps in JavaScript, Go, and... |
|
| 7 |
milvus-io/pymilvus
Python SDK for Milvus Vector Database |
|
| 8 |
meilisearch/meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your... |
|
| 9 |
databendlabs/databend
Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox.... |
|
| 10 |
facebookresearch/faiss
A library for efficient similarity search and clustering of dense vectors. |
|
| 11 |
pixeltable/pixeltable
Data Infrastructure providing a declarative, incremental approach for... |
|
| 12 |
topoteretes/cognee
Knowledge Engine for AI Agent Memory in 6 lines of code |
|
| 13 |
nuclia/nucliadb
NucliaDB, The AI Search database for RAG |
|
| 14 |
qdrant/qdrant-client
Python client for Qdrant vector search engine |
|
| 15 |
MariaDB/server
MariaDB server is a community developed fork of MySQL server. Started by... |
|
| 16 |
langchain4j/langchain4j
LangChain4j is an open-source Java library that simplifies the integration... |
|
| 17 |
oceanbase/oceanbase
The Fastest Distributed Database for Transactional, Analytical, and AI Workloads. |
|
| 18 |
amark/gun
An open source cybersecurity protocol for syncing decentralized graph data. |
|
| 19 |
yichuan-w/LEANN
[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while... |
|
| 20 |
supabase/supabase
The Postgres development platform. Supabase gives you a dedicated Postgres... |
|
Browse by category
Self-Hosted Support Chatbots
188 tools
Rust Native VectorDBs
160 tools
Vector DB From Scratch
157 tools
Database
155 tools
Agent Memory Systems
143 tools
Semantic Search Engines
140 tools
Local RAG Stacks
123 tools
PDF Document Chatbots
123 tools
RAG Quality Assurance
118 tools
Multi-PDF QA Systems
105 tools
Agentic RAG Systems
96 tools
Production RAG Chatbots
88 tools
Vector Database Management
83 tools
Agentic AI Platforms
77 tools
Document Chunking Embedding Pipelines
66 tools
Local PDF RAG Systems
65 tools
Medical RAG Chatbots
65 tools
Local LLM Orchestration
56 tools
Multimodal Image Search
42 tools
Qdrant Vector Search
40 tools
Claude Code Knowledge Systems
39 tools
Generative AI Learning
38 tools
LangChain Framework Guides
37 tools
Movie Recommendation Systems
37 tools
Gemini Document RAG
36 tools
Travel Booking Agents
35 tools
RAG Pipeline Optimization
33 tools
GitHub Codebase RAG
33 tools
Document Processing Platforms
33 tools
Redis Vector Caching
30 tools
Weaviate Ecosystem
28 tools
PostgreSQL Vector Extensions
28 tools
Career AI Agents
28 tools
Financial Document RAG
28 tools
Vector DB Benchmarking
27 tools
News Intelligence RAG
27 tools
Pinecone Vector Search
26 tools
Spring AI RAG Applications
26 tools
Milvus Vector Database
25 tools
Chroma Database Tools
23 tools
NLP Fundamentals Tutorials
22 tools
Graph Enhanced RAG
17 tools
Legal AI Assistants
17 tools
Embedding API Servers
13 tools
Vector Embedding Storage
12 tools
Educational AI Platforms
12 tools
High Performance Vector Search
11 tools
Semantic Book Recommenders
11 tools
YouTube Video RAG
11 tools
AWS Bedrock RAG Systems
10 tools
Vector Knowledge Bases
8 tools
Rust Tensor Frameworks
5 tools
Vector Database Libraries
4 tools
Natural Language Sql Builders
4 tools
Personal Knowledge Management
3 tools
Rust Ml Libraries
3 tools
Postgres Vector Rag
3 tools
Huggingface Hub Clients
3 tools
Go Ml Bindings
3 tools
Zero Knowledge Ml
2 tools
Agent Memory Infrastructure
2 tools
Llm Inference Engines
2 tools
Youtube Transcript Rag
2 tools
Text To Sql Generation
2 tools
Langchain Starter Projects
2 tools
Langchain Tool Integrations
2 tools
Uncategorized
2 tools
Resume Screening Matching
2 tools
Rag Applications
2 tools
Topic Modeling Frameworks
2 tools
Semantic Search Applications
2 tools
Knowledge Graph Question Answering
2 tools
Hybrid Search Rag
2 tools
Question Answering Systems
2 tools
Intelligent News Curation
2 tools
Indexing
1 tools
Agentic Workflow Orchestration
1 tools
Llm Orchestration Platforms
1 tools
Graph Database Rag
1 tools
Llm Cuda Optimization
1 tools
Faiss Semantic Search
1 tools
K Nearest Neighbors
1 tools
Java Ml Implementations
1 tools
Typescript Sdk Clients
1 tools
Javascript Gpu Tensor Libraries
1 tools
Multimodal Vision Language
1 tools
Kotlin Ml Frameworks
1 tools
Document Qa Chatbots
1 tools
Text To Sql Rag
1 tools
Kv Cache Optimization
1 tools
Dotnet Azure Rag
1 tools
Langgraph Agent Systems
1 tools
Agent Framework Patterns
1 tools
Recommendation Engine Rag
1 tools
Rust Mcp Frameworks
1 tools
Note Taking Mcp
1 tools
Ai Documentation Generation
1 tools
Llm Compression Optimization
1 tools
Personal Knowledge Assistants
1 tools
Ml Project Collections
1 tools
Personal Blogs Portfolios
1 tools
Interactive Ai Chat Uis
1 tools
Aether Agent Kernels
1 tools
Image Gallery Managers
1 tools
Discord Ai Chatbots
1 tools
Stock Analysis Dashboards
1 tools
Codebase Search Indexing
1 tools
Agent Memory Architectures
1 tools
Scala Ml Frameworks
1 tools
Semantic Kernel Tools
1 tools
Nlp Task Libraries
1 tools
Conversational Rag Agents
1 tools
Spring Ai Applications
1 tools
Tensor Computation Libraries
1 tools
Lora Training Tools
1 tools
Legal Document Analysis
1 tools
Aws Bedrock Applications
1 tools
Spotify Music Recommendation
1 tools
Platform Sdk Libraries
1 tools
Natural Language Database Agents
1 tools
Ai Powered Search Engines
1 tools
Personal Ai Agents
1 tools
Protein Engineering Design
1 tools
Multi Agent Frameworks
1 tools
Graph Neural Networks
1 tools
Generic Project Templates
1 tools
Codebase Chat Rag
1 tools
Ai Business Analytics
1 tools
Ollama Chat Interfaces
1 tools
Langchain Tool Building
1 tools
Streamlit Langchain Apps
1 tools
Embedding Api Providers
1 tools
Knowledge Graph Construction
1 tools
Ai News Aggregation
1 tools
Document Qa Systems
1 tools
Vision Language Models
1 tools
Local Semantic Search
1 tools
Chatbot Development Frameworks
1 tools
Colab Notebook Implementations
1 tools
Rust Agent Frameworks
1 tools
Gemini Ai Applications
1 tools
Go Rag Implementations
1 tools
Image Generation Frameworks
1 tools
Pinecone Rag Pipelines
1 tools
Recommendation System Frameworks
1 tools
Graph Rag Systems
1 tools
Document Ocr Extraction
1 tools
Javascript Ml Libraries
1 tools
Rust Llm Infrastructure
1 tools
Elixir Ml Frameworks
1 tools
Ai Powered Saas Startups
1 tools
Conversational Ai Apps
1 tools
Vector Search Apis
1 tools
Rule Based Expert Systems
1 tools
Distributed Training Frameworks
1 tools
Assistive Vision Navigation
1 tools
Portuguese Nlp Tools
1 tools
Pddl Planning Solvers
1 tools
Ai Vulnerability Scanning
1 tools
Chromadb Rag Systems
1 tools
Conversational Chat Interfaces
1 tools
Ml Api Deployment
1 tools
Ai Service Sdks
1 tools
Text To Structured Data
1 tools
Ai Workflow Automation
1 tools
Data Analytics Platforms
1 tools