Harbor vs Quay.io: What are the differences?

Harbor: Manage and serve container images in a secure environment (created at VMware). Harbor is an open source cloud native registry that stores, signs, and scans container images for vulnerabilities Harbor solves common challenges by delivering trust, compliance, performance, and interoperability. It fills a gap for organ; Quay.io: Secure hosting for private Docker repositories. Simply upload your Dockerfile (and any additional files it needs) and we'll build your Dockerfile into an image and push it to your repository.

Harbor and Quay.io can be categorized as "Docker Registry" tools.

Some of the features offered by Harbor are:

• Multi-tenant content signing and validation
• Image replication between instances
• Extensible API and graphical UI

On the other hand, Quay.io provides the following key features:

• Secure - Your data is transferred using SSL at all times and encrypted when at rest. More information available in our security guide
• Shareable - Have to share a repository? No problem! Share with anyone you choose
• Cloud Hosted - Accessible from anywhere, anytime

Harbor is an open source tool with 8.18K GitHub stars and 2.32K GitHub forks. Here's a link to Harbor's open source repository on GitHub.