Nexus by Sonatype is a repository manager that organizes, stores and distributes artifacts needed for development. With Nexus, developers can completely control access to, and deployment of, every artifact in an organization from a single location, making it easier to distribute software. It is most commonly used for hosting Apache Maven. Currently it supports Maven/Java, npm, NuGet, RubyGems, Docker, P2, OBR, APT and YUM and more.