Docker Hub - Docker Hub is a cloud-based registry service
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.
runc - CLI tool for spawning and running containers according to the OCI specification - opencontainers/runc
containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability