Secure hosting for private Docker repositories
Ranked in these QuestionsQuestion Ranking
Pro Web based UI
Quay.io has a beutiful and easy to understand web based UI.
Pro Most prominent alternative to Docker Hub
Quay was started by two Google engineers to serve as an alternative to Docker Hub. It was later acquired by CoreOS.
Con Acquired company
CoreOS bought Quay and redirected their energies to the CoreOS Enterprise Registry, so this product might not be here for the duration.