Alternatives to Milvus
An open-source vector database for similarity search in AI applications, from laptop to large clusters. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Milvus
An open-source vector database for similarity search in AI applications, from laptop to large clusters.
Replacements
Listings that take over the same core job as Milvus.
Qdrant
An open-source vector search engine written in Rust for similarity search in AI applications.
Qdrant is a Rust vector search engine under Apache-2.0 with self-hosted and managed options, though advanced cloud and enterprise features are paid.
Similar software
Related functionality, not a direct replacement.
RAGFlow
An open-source, self-hostable RAG engine with document ingestion, hybrid search and a visual agent builder.
Docling
Open source library that converts documents into AI-ready structured formats.
Dify
Self-hosted platform for building AI agent workflows and RAG pipelines.
Langflow
Visual builder for creating and deploying AI agent workflows.
MaxKB
An open-source, self-hosted platform for building knowledge-base question answering and AI agents.
PrivateGPT
A self-hosted API layer for building private AI applications on top of local language models.
