Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted

Zvec is described as 'Open-source, in-process vector database — lightweight, lightning-fast, and designed to embed directly into applications. Built on Proxima (Alibaba's battle-tested vector search engine), it delivers production-grade, low-latency, scalable similarity search with' and is a Vector Database in the development category. There are nine alternatives to Zvec for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and SaaS apps. The best Zvec alternative is Lantern Database, which is both free and Open Source. Other great apps like Zvec are Marqo, LanceDB, Orama and Pinecone.

Marqo is an AI-native ecommerce search and product discovery platform built for retail brands in fashion, beauty, footwear, and home goods.


LanceDB is an open-source database for vector-search built with persistent storage, which greatly simplifies retrieval, filtering and management of embeddings.

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.


Fully-managed vector database providing lightning-fast, relevant search with developer-focused APIs, effortless scalability, metadata filters, transparent usage-based pricing, multi-cloud support, easy integration, unstructured data handling, and no need for infrastructure upkeep.


Qdrant (read: quadrant) is a vector similarity search engine and vector database. It provides a production-ready service with a convenient API to store, search, and manage points—vectors with an additional payload Qdrant is tailored to extended filtering support.
Milvus is an open-source vector database built to power embedding similarity search and AI applications. Milvus makes unstructured data search more accessible, and provides a consistent user experience regardless of the deployment environment.


It features native support for both vector search (vectors are simply another data type) and keyword search (BM25-style) in a single, unified system. With its powerful query expression language, TopK enables you to build reliable search applications (semantic search, RAG...

