The Vector Database Directory

Quality-scored directory of 3,236 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.

Verified

23

70–100

Established

151

50–69

Emerging

663

30–49

Experimental

2,399

10–29

Top tools by quality score

# Tool Score
1 supabase/supabase

The Postgres development platform. Supabase gives you a dedicated Postgres...

93
2 facebookresearch/faiss

A library for efficient similarity search and clustering of dense vectors.

85
3 meilisearch/meilisearch

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

85
4 milvus-io/pymilvus

Python SDK for Milvus Vector Database

85
5 lancedb/lancedb

Developer-friendly OSS embedded retrieval library for multimodal AI. Search...

81
6 qdrant/qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search...

81
7 chroma-core/chroma

Open-source search and retrieval database for AI applications.

81
8 weaviate/weaviate

Weaviate is an open-source vector database that stores both objects and...

81
9 qdrant/qdrant-client

Python client for Qdrant vector search engine

80
10 neuml/txtai

💡 All-in-one AI framework for semantic search, LLM orchestration and...

78
11 firebase/genkit

Open-source framework for building AI-powered apps in JavaScript, Go, and...

78
12 topoteretes/cognee

Knowledge Engine for AI Agent Memory in 6 lines of code

77
13 databendlabs/databend

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox....

77
14 pixeltable/pixeltable

Data Infrastructure providing a declarative, incremental approach for...

76
15 rapidsai/cuvs

cuVS - a library for vector search and clustering on the GPU

73
16 MariaDB/server

MariaDB server is a community developed fork of MySQL server. Started by...

73
17 oceanbase/oceanbase

The Fastest Distributed Database for Transactional, Analytical, and AI Workloads.

72
18 langchain4j/langchain4j

LangChain4j is an open-source Java library that simplifies the integration...

72
19 rapidsai/raft

RAFT contains fundamental widely-used algorithms and primitives for machine...

71
20 matrixorigin/matrixone

MySQL-compatible HTAP database with Git for Data, vector search, and...

71

Browse by category

Database

191 tools

Agent Memory Systems

186 tools

Vector DB From Scratch

174 tools

Rust Native VectorDBs

169 tools

Semantic Search Engines

161 tools

Self-Hosted Support Chatbots

130 tools

Uncategorized

104 tools

PDF Document Chatbots

100 tools

Vector Database Management

88 tools

Local RAG Stacks

83 tools

Multi-PDF QA Systems

76 tools

RAG Quality Assurance

57 tools

Agentic RAG Systems

52 tools

Medical RAG Chatbots

52 tools

Production RAG Chatbots

50 tools

Local LLM Orchestration

47 tools

Agentic AI Platforms

46 tools

Multimodal Image Search

44 tools

Qdrant Vector Search

42 tools

Claude Code Knowledge Systems

36 tools

Movie Recommendation Systems

35 tools

Document Processing Platforms

34 tools

LangChain Framework Guides

33 tools

GitHub Codebase RAG

33 tools

Redis Vector Caching

32 tools

PostgreSQL Vector Extensions

32 tools

Pinecone Vector Search

31 tools

News Intelligence RAG

31 tools

Career AI Agents

31 tools

Weaviate Ecosystem

30 tools

Personal Knowledge Management

30 tools

Travel Booking Agents

30 tools

Document Chunking Embedding Pipelines

30 tools

Vector DB Benchmarking

29 tools

Gemini Document RAG

29 tools

Milvus Vector Database

27 tools

Generative AI Learning

27 tools

Local PDF RAG Systems

27 tools

Spring AI RAG Applications

23 tools

Chroma Database Tools

22 tools

High Performance Vector Search

21 tools

RAG Pipeline Optimization

20 tools

Financial Document RAG

20 tools

Vector Embedding Storage

16 tools

Vector Database Libraries

16 tools

Graph Enhanced RAG

16 tools

NLP Fundamentals Tutorials

15 tools

Code Repository Intelligence

15 tools

Postgres Vector Rag

14 tools

Semantic Book Recommenders

14 tools

Vector Knowledge Bases

13 tools

Legal AI Assistants

13 tools

Educational AI Platforms

12 tools

AWS Bedrock RAG Systems

11 tools

Semantic Search Applications

11 tools

Natural Language Sql Builders

10 tools

Embedding API Servers

9 tools

Telemedicine Consultation Platforms

8 tools

Vector Search Apis

8 tools

YouTube Video RAG

8 tools

Agent Memory Infrastructure

7 tools

Mcp Semantic Retrieval

7 tools

Rust Tensor Frameworks

6 tools

Rust Ml Libraries

6 tools

Recommendation Engine Rag

6 tools

Semantic Search Frontends

6 tools

Local Semantic Search

6 tools

Graph Rag Systems

6 tools

Natural Language Sql Querying

6 tools

Resume Job Matching

6 tools

Agentic Workflow Orchestration

5 tools

Document Intelligence Rag

5 tools

Text To Sql Generation

4 tools

Document Qa Chatbots

4 tools

Ai Powered Search Engines

4 tools

Session Context Memory

4 tools

Hybrid Search Rag

4 tools

Rag Applications

4 tools

Codebase Chat Rag

4 tools

Document Intelligence Extraction

4 tools

Intelligent News Curation

4 tools

Natural Language Database Agents

4 tools

Rust Agent Frameworks

4 tools

Next Js Saas Platforms

4 tools

Faiss Semantic Search

3 tools

Dotnet Azure Rag

3 tools

Sql Database Mcp

3 tools

Huggingface Hub Clients

3 tools

Text To Sql Rag

3 tools

Kv Cache Optimization

3 tools

Langgraph Agent Systems

3 tools

Resume Screening Matching

3 tools

Conversational Rag Agents

3 tools

Agent Memory Architectures

3 tools

Topic Modeling Frameworks

3 tools

Knowledge Graph Question Answering

3 tools

Ai Test Automation

3 tools

Question Answering Systems

3 tools

Go Ml Bindings

3 tools

Ai News Aggregation

3 tools

Knowledge Graph Construction

3 tools

Langchain Application Development

3 tools

Travel Planning Ai

3 tools

Javascript Ml Libraries

3 tools

Mcp Rag Servers

3 tools

Elixir Ml Frameworks

3 tools

Ai Pdf Saas

3 tools

Saas Ai Platforms

3 tools

Spring Boot Rag Apps

3 tools

Ai Workflow Automation

3 tools

Geospatial Ml Tools

3 tools

Text Visualization Graphs

3 tools

Ai Powered Saas Startups

3 tools

Multi Agent Orchestration

3 tools

Pathfinding Algorithm Implementations

3 tools

Self Hosted Rag Platforms

3 tools

Pdf Qa Systems

3 tools

Data Analytics Platforms

3 tools

Fullstack Ai Monorepos

3 tools

Llm Inference Engines

2 tools

Llm Orchestration Platforms

2 tools

Zero Knowledge Ml

2 tools

Youtube Transcript Rag

2 tools

Java Ml Implementations

2 tools

Typescript Sdk Clients

2 tools

Langchain Starter Projects

2 tools

Kotlin Ml Frameworks

2 tools

Langchain Tool Integrations

2 tools

Agent Framework Patterns

2 tools

Aether Agent Kernels

2 tools

Javascript Gpu Tensor Libraries

2 tools

Interactive Ai Chat Uis

2 tools

Semantic Kernel Tools

2 tools

Nlp Task Libraries

2 tools

Aws Bedrock Applications

2 tools

Pddl Planning Solvers

2 tools

Retrieval Augmented Generation

2 tools

Lora Training Tools

2 tools

Generic Project Templates

2 tools

Spotify Music Recommendation

2 tools

Langchain Tool Building

2 tools

Ai Startup Websites

2 tools

Rust Agentic Systems

2 tools

Ai Stock Analysis

2 tools

Pinecone Rag Pipelines

2 tools

Rust Llm Infrastructure

2 tools

Chromadb Rag Systems

2 tools

Go Rag Implementations

2 tools

Personal Portfolio Websites

2 tools

Conversational Ai Apps

2 tools

Retrieval Ranking Fusion

2 tools

Web And Markup Language Datasets

2 tools

Machine Consciousness Frameworks

2 tools

Symfony Ai Integrations

2 tools

Word Embedding Vectors

2 tools

Ai Agent Memory Systems

2 tools

Gradient Boosting Frameworks

2 tools

Rag Chatbot Systems

2 tools

Online Exam Proctoring

2 tools

Ai Recruitment Platforms

2 tools

Healthcare Chatbots

2 tools

Llm Knowledge Graph Generation

2 tools

Blackroad Os Ecosystem

2 tools

Semantic Search Backends

2 tools

Web Search Mcp

2 tools

Research Agent Systems

2 tools

Blockchain Ai Integration

2 tools

Resume Matching Screening

2 tools

Ecommerce Agent Systems

2 tools

Ai Research Agents

2 tools

Rag Techniques Frameworks

2 tools

Csv Data Chat

2 tools

Indexing

1 tools

Llm Cuda Optimization

1 tools

K Nearest Neighbors

1 tools

Graph Database Rag

1 tools

Multimodal Vision Language

1 tools

Ml Project Collections

1 tools

Personal Knowledge Assistants

1 tools

Discord Ai Chatbots

1 tools

Stock Analysis Dashboards

1 tools

Scala Ml Frameworks

1 tools

Rust Mcp Frameworks

1 tools

Tensor Computation Libraries

1 tools

Note Taking Mcp

1 tools

Image Gallery Managers

1 tools

Llm Compression Optimization

1 tools

Legal Document Analysis

1 tools

Personal Blogs Portfolios

1 tools

Platform Sdk Libraries

1 tools

Personal Ai Agents

1 tools

Text Summarization Transformers

1 tools

Spring Ai Applications

1 tools

Ai Documentation Generation

1 tools

Multi Agent Frameworks

1 tools

Protein Engineering Design

1 tools

Graph Neural Networks

1 tools

Codebase Search Indexing

1 tools

Ollama Chat Interfaces

1 tools

Ai Book Generation

1 tools

Streamlit Langchain Apps

1 tools

Linkedin Content Automation

1 tools

Embedding Api Providers

1 tools

Vision Language Models

1 tools

Document Qa Systems

1 tools

Chatbot Development Frameworks

1 tools

Personal Finance Tracking

1 tools

Ai Business Analytics

1 tools

Study Aid Generators

1 tools

Image Generation Frameworks

1 tools

Recommendation System Frameworks

1 tools

Colab Notebook Implementations

1 tools

Clustering Algorithm Implementations

1 tools

Multimodal Rag Systems

1 tools

Document Ocr Extraction

1 tools

Gemini Ai Applications

1 tools

Fastapi Rag Backends

1 tools

Email Spam Classification

1 tools

Blockchain Ai Agents

1 tools

Geospatial Media Datasets

1 tools

Rule Based Expert Systems

1 tools

Documentation Markup Language Datasets

1 tools

Rag Document Systems

1 tools

Chatbot Frameworks

1 tools

Distributed Training Frameworks

1 tools

Portuguese Nlp Tools

1 tools

Assistive Vision Navigation

1 tools

Protein Language Models

1 tools

Obsidian Mcp Servers

1 tools

Multi Modal Ai Assistants

1 tools

Conversational Chat Interfaces

1 tools

Rust Llm Orchestration

1 tools

Ai Vulnerability Scanning

1 tools

Youtube Video Intelligence

1 tools

Chat Interface Applications

1 tools

Academic Capstone Projects

1 tools

Local Ai Workstations

1 tools

Rust Agent Orchestration

1 tools

Board Game Ai Engines

1 tools

Memory Augmented Architectures

1 tools

Content Based Recommendation

1 tools

Domain Specific Workflows

1 tools

Compiler Implementation Tutorials

1 tools

Research Paper Rag

1 tools

Text To Structured Data

1 tools

Ai Service Sdks

1 tools

Text To Image Generation

1 tools

Ai Session Persistence

1 tools

Keyword Extraction

1 tools

Openclaw Client Applications

1 tools

Automatic Term Extraction

1 tools

Llm Guided Fuzzing

1 tools

Natural Language Sql

1 tools

Llm Web Scraping

1 tools

Ml Api Deployment

1 tools

Genomic Variant Analysis

1 tools

Streamlit Chatbot Apps

1 tools

Developer Portfolio Sites

1 tools

Personal Github Profiles

1 tools

Rna Structure Learning

1 tools

Machine Translation Systems

1 tools

News Aggregation Mcp

1 tools

Langgraph Agent Implementations

1 tools

Ai Coding Loops

1 tools

Agent Sdk Toolkits

1 tools

File Content Extraction

1 tools

Ml Foundations Curricula

1 tools

Claude Agent Frameworks

1 tools

Go Agent Frameworks

1 tools

Typescript Agent Frameworks

1 tools

Phishing Email Detection

1 tools

Rust Nlp Bindings

1 tools

Legal Document Rag

1 tools

Lexical Semantic Resources

1 tools

Deepseek Ai Tools

1 tools

Spark Hadoop Ml Pipelines

1 tools

Unreal Engine Ml

1 tools

Interactive Pdf Chat

1 tools

Constraint Satisfaction Solvers

1 tools

Local Llm Deployment

1 tools

Clip Multimodal Search

1 tools

Agent Orchestration Platforms

1 tools

Product Search Systems

1 tools

Llm Firewall Defense

1 tools

Retail Sales Forecasting

1 tools

Prompt Library Apps

1 tools

Natural Language Task Scheduling

1 tools

Real Estate Valuation Apps

1 tools

Fashion Recommendation Systems

1 tools

Ai Saas Platforms

1 tools

Ecommerce Customer Chatbots

1 tools

Security Testing Mcp

1 tools

Gpt2 Pretraining Fine Tuning

1 tools

Agentic Ai Frameworks

1 tools

Gemini Prompt Workbenches

1 tools

Agi Consciousness Philosophy

1 tools

Production Rag Pipelines

1 tools

Academic Paper Tools

1 tools

Resume Screening Ai

1 tools

Image Generation Mcp

1 tools

Document Chat Platforms

1 tools

Audio Music Learning

1 tools

Openclaw Agent Infrastructure

1 tools

Image Captioning Tools

1 tools

Video Semantic Search

1 tools

Recipe Recommendation Systems

1 tools

Seo Content Agents

1 tools

Event Discovery Platforms

1 tools

Puzzle Solver Algorithms

1 tools

Hybrid Retrieval Optimization

1 tools

Secure Evoting Systems

1 tools

Mistral Ai Tools

1 tools

Water Quality Prediction

1 tools

Deepseek Deployment Tools

1 tools

Go Nlp Libraries

1 tools

Academic Paper Analysis

1 tools

Book Recommendation Systems

1 tools

Llm Learning Resources

1 tools

Code Context Packaging

1 tools

Langchain Application Tutorials

1 tools

Obsidian Ai Plugins

1 tools

Ai Document Summarization

1 tools

Ai Industry Guidance

1 tools