Harbor - Open source trusted cloud native registry project that stores, signs, and scans content.
Toast - Containerize your development environment.
amicontained - Container introspection tool. Find out what container runtime is being used as well as features available.
Libpod - Library used to create container pods. Home of Podman.
CRFS: Container Registry Filesystem - Read-only FUSE filesystem that lets you mount a container image, served directly from a container registry (such as gcr.io), without pulling it all locally first.
rkt - Pod-native container engine for Linux. It is composable, secure, and built on standards.
Quay - Build, Store, and Distribute your Applications and Containers.
Vagga - Fully-userspace container engine inspired by Vagrant and Docker, specialized for development environments.
trivy - Simple and Comprehensive Vulnerability Scanner for Containers, Suitable for CI.
fanal - Static Analysis Library for Containers.
go-init - Minimal init system for containers with pre/post hooks.
[Borg: The Next Generation (2020)(https://www.eurosys2020.org/wp-content/uploads/2020/04/slides/49_muhammad_tirmazi_slides.pdf) (HN)
ingraind - Security monitoring agent built around RedBPF for complex containerized environments and endpoints.
libnetwork - Provides a native Go implementation for connecting containers.
Kata Containers - Open source container runtime, building lightweight virtual machines that seamlessly plug into the containers ecosystem.
dumb-init - Simple process supervisor and init system designed to run as PID 1 inside minimal container environments (such as Docker).
Clair - Vulnerability Static Analysis for Containers.
GCR Cleaner - Delete untagged image refs in Google Container Registry, as a service.