Gerrit

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

     

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jclouds

A Java Library for controlling cloud resources, with various plugins for many popular cloud providers.

     

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KairosDB

KairosDB is a fast distributed scalable time series database written on top of Cassandra. RESTful JSON-based query/results. Includes flot-based visualization.

     

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SSH KeyBox

An open-source jump box solution with auditing capabilities

     

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Apache ZooKeeper

ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. It is distributed and highly reliable, with Consensus, group management and presence protocols built-in.

     

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