What is the best open-source alternative to Docker Hub?

The best open-source alternative to Docker Hub depends on the use case. The highest-PopScore candidates on GitPop are harbor, quay.

Is Docker Hub open source?

No, Docker Hub is a closed-source product by Docker, Inc.. The open-source alternatives on this page are listed by GitPop PopScore (momentum, activity, and noise-filtered).

2 candidates

Open source alternatives to Docker Hub

Container image registry with public and private repositories. · Docker, Inc.

Pricing: Free public repos; Pro from $5/mo for private

Docker Hub is the default public container registry, but teams that want full data ownership self-host Harbor or use GitHub Container Registry / Quay. Harbor is the most direct Docker Hub replacement in 2026 for enterprise self-hosting; Quay is the right pick for teams that need Clair vulnerability scanning built in.

The 2 candidates, ranked by PopScore

#01goharbor/harbor
CNCF-graduated container registry. The most direct Docker Hub replacement for self-hosting, with replication, scanning, and RBAC.
GitHub
#02quay/quay
Red Hat's container registry with built-in Clair vulnerability scanning. The right pick for security-first registries.
GitHub

Related alternatives

Looking for a side-by-side comparison of two open-source projects? The compare matrix has 60+ "X vs Y" pages. Looking for a curated "best of" list for a specific category? See Best AI tools 2026 (and the 7 other category editions).