Unified authentication and authorization system for OpenStack,

Review Board is a web-based tool designed to help projects and companies keep track of pending code changes and make code reviews much less painful and time-consuming. It works in a variety of server environments and supports a large number of source control backends, including Perforce, Subversion, CVS, ClearCase, Git, and more....

The MyBatis data mapper framework makes it easier to use a relational database with object-oriented applications. MyBatis couples objects with stored procedures or SQL statements using a XML descriptor. Simplicity is the biggest advantage of the MyBatis data mapper over object relational mapping tools....

MassTransit is a lean service bus implementation for .NET, enabling distributed applications with minimal invasion of infrastructure into the application services.

ClearOS is an integrated network server gateway solution for small and distributed organizations. The software provides all the necessary server tools to run an organization including email, antivirus, antispam, file sharing, groupware, VPN, firewall, intrusion detection/prevention, content filtering, bandwidth management, multi-WAN and more. Through the intuitive web-based management console, an administrator can configure local ClearOS server software along with integrated cloud-based services....

Apache UIMA is an Apache-licensed open source implementation of the UIMA specification (that specification is, in turn, being developed concurrently by a technical committee within OASIS, a standards organization). We invite and encourage you to participate in both the implementation and specification efforts. ...

The DataNucleus project provides products for the management of application data in a Java environment. Our aim is to provide good quality open source products to handle data in all of its forms, wherever it is stored. This goes from persistence of data into heterogeneous datastores, to providing methods of retrieval using a range of query languages, and eventually on to the analysis of data and tools for managing data quality. ...

Supervisor is a client/server system that allows its users to control a number of processes on UNIX-like operating systems.

sbt, a build tool for Scala (sbt 0.13),

FreePBX is a full-featured PBX web application. If you've looked into Asterisk, you know that it doesn't come with any "built in" programming. You can't plug a phone into it and make it work without editing configuration files, writing dialplans, and various messing about....