Gerrit

A Web based code review and project management system for Git projects

     

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Herd

A bittorrent based file distribution system based on Twitter’s Murder. It uses BitTorrent to push artifacts and code very fast across thousands of servers.

     

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Phabricator

Phabricator is an open source collection of development and code management, including code reviews and audits, browsing repositories, tracking bugs, etc

     

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SaltStack

Salt is a powerful and different approach to infrastructure management, by focusing on high speed communications between large number of systems, and can perform orchestration, remote code execution and much more.

     

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