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Jenkins is a fork of Hudson and is a continuous build system for software projects.

A hosted continuous integration service for open source projects. It supports Ruby, PHP, Python, Java, Node.js, and many more.

TeamCity is a continuous integration and build management system. With TeamCity, you can set up a build server within minutes and enjoy out of the box continuous unit testing, code quality analysis, and early reporting on build problems — even without leaving your favorite IDE. TeamCity offers a gentle learning curve, so you can quickly improve your release management practices by gradually adopting its advanced features and capabilities.

Codeship is a hosted Continuous Delivery Service that integrates with GitHub and Bitbucket.

CircleCI provides development teams the confidence to build, test, and deploy—quickly and consistently—across numerous platforms. Built to address the demanding needs of today's application development environments, CircleCI supports every component of a modern application, including mobile apps (iOS and Android), conventional web applications (built with platforms like Rails and Django), browser-based apps (built with frameworks like AngularJS and Ember), and containerized apps (built with tools like Docker). »

Buildbot - The Continuous Integration FrameworkBuildbot is an open-source framework for automating software build, test, and release processes.

Octopus Deploy is a user-friendly release management system for professional .NET developers.

Hosted continuous integration and deployment for Github, Bitbucket and Google Code. Supports 12+ languages including Java, Groovy, Go, Dart and Node.

Semaphore is a hosted continuous integration and deployment service for open source and private projects. Its cloud solution helps developers find bugs before they reach users and deliver new features faster.

Xinc is a continuous integration and control server written in PHP 5. It has built-in support for Subversion, git(since 2.2) and Phing (and therefore PHPUnit), and can be easily extended to work with alternative version control or build tools.