Best Vector Databases Tools

Explore leading tools in the Vector Databases category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.

10+ open-source projects · 3 SaaS products

Explore open-source projects Compare SaaS products

Top open-source Vector Databases

These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.

View all 10+ open-source options

Milvus

High-performance vector database built for AI at scale

Vector Databases

Stars: 42,331
License: Apache-2.0
Last commit: 11 hours ago

GoActive

Faiss

High-performance library for similarity search on dense vectors

Vector Databases

Stars: 38,814
License: MIT
Last commit: 16 hours ago

C++Active

Qdrant

Fast, scalable vector search engine for AI-driven applications

Vector Databases

Stars: 28,300
License: Apache-2.0
Last commit: 19 hours ago

RustActive

Chroma

Embedding database for building LLM apps with memory

Vector Databases

Stars: 25,639
License: Apache-2.0
Last commit: 11 hours ago

RustActive

pgvector

Vector similarity search integrated directly into PostgreSQL

Vector Databases

Stars: 19,375
License: —
Last commit: 5 days ago

CActive

Weaviate

Scalable vector database for semantic search and AI applications

Vector Databases

Stars: 15,448
License: BSD-3-Clause
Last commit: 17 hours ago

GoActive

Most starred project

Milvus

42,331★

High-performance vector database built for AI at scale

Popular SaaS Platforms to Replace

Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.

Pinecone

Managed vector database for AI applications

Vector Databases

Alternatives tracked

13 alternatives

Qdrant

Open-source vector database

Vector Databases

Alternatives tracked

13 alternatives

ZIL

Zilliz

Managed vector database service for AI applications

Vector Databases

Alternatives tracked

13 alternatives

Most compared product

Pinecone

10+ open-source alternatives

Pinecone is a fully managed vector database service designed for similarity search at scale, featuring serverless architecture, real-time indexing, and enterprise security for AI applications.

Leading hosted platforms

Pinecone, Qdrant, Zilliz

Frequently replaced when teams want private deployments and lower TCO.

Explore related categories

Browse neighbouring categories in Data Platforms to widen your evaluation.