Harbor vs Katacontainers: 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; Katacontainers: Open source project delivering the security of VMs with the speed of containers. It is an open source container runtime, building lightweight virtual machines that seamlessly plug into the containers ecosystem.

Harbor and Katacontainers are primarily classified as "Docker Registry" and "Container" tools respectively.

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, Katacontainers provides the following key features:

• Runs in a dedicated kernel, providing isolation of network, I/O and memory and can utilize hardware-enforced isolation with virtualization VT extensions
• Supports industry standards including OCI container format, Kubernetes CRI interface, as well as legacy virtualization technologies
• Delivers consistent performance as standard Linux containers

Harbor is an open source tool with 12.5K GitHub stars and 3.3K GitHub forks. Here's a link to Harbor's open source repository on GitHub.