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 August 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	45,454	Apache-2.0	LinuxDocker	Yes	Aug 2026	Visit
Qdrant	33,710	Apache-2.0	LinuxDocker	Yes	Aug 2026	Visit
Pgvector	22,437	MIT	LinuxDocker	Yes	Jul 2026	Visit

Top open-source Qdrant Cloud alternatives

Milvus45,454Apache-2.0

Vector database built for scalable similarity search.

LinuxDocker

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

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Qdrant33,710Apache-2.0

Vector similarity search engine and database in Rust.

LinuxDocker

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

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Pgvector22,437MIT

Open-source vector similarity search extension for PostgreSQL.

LinuxDocker

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

Visit Details