Best Open Source Alternatives to Qdrant Cloud

Compare the best free and open-source alternatives to Qdrant Cloud — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 3 alternatives

Qdrant Cloud

Proprietary SaaS

PricingFreemium

Platformsweb

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Qdrant Cloud alternatives compared

Open-source alternatives to Qdrant Cloud, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Milvus	46,562	Apache-2.0	LinuxDocker	Yes	Nov 2026	Visit
Qdrant	35,389	Apache-2.0	LinuxDocker	Yes	Nov 2026	Visit
Pgvector	23,568	MIT	LinuxDocker	Yes	Oct 2026	Visit

Top open-source Qdrant Cloud alternatives

Milvus46,562Apache-2.0

Milvus is an open-source distributed vector database replacing Pinecone with GPU-accelerated indexing, hybrid search, and decoupled cloud-native scaling.

LinuxDocker

vs Qdrant Cloud: a free, open-source option you fully control, licensed Apache-2.0.

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Qdrant35,389Apache-2.0

Qdrant is an open-source Rust vector database replacing Pinecone with self-hosted high-throughput retrieval, on-disk quantization, and payload filtering.

LinuxDocker

vs Qdrant Cloud: a free, open-source option you fully control, licensed Apache-2.0.

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Pgvector23,568MIT

Pgvector brings vector similarity search and HNSW indexing to PostgreSQL, letting developers query embeddings directly alongside relational data.

LinuxDocker

vs Qdrant Cloud: a free, open-source option you fully control, licensed MIT.

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Best Open Source Alternatives to Qdrant Cloud

Qdrant Cloud

Qdrant Cloud alternatives compared

Top open-source Qdrant Cloud alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.