Alternatives to Qdrant
An open-source vector search engine written in Rust for similarity search in AI applications. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Qdrant
An open-source vector search engine written in Rust for similarity search in AI applications.
Replacements
Listings that take over the same core job as Qdrant.
Milvus
An open-source vector database for similarity search in AI applications, from laptop to large clusters.
Milvus is a free open-source vector database that runs from a pip install up to a distributed cluster, with companion GUI, CLI and backup tools, though distributed setups take operational effort.
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.
