JetBrains TeamCity!

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.

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

Automate your team’s software development processes, from testing through to delivery, no matter the language, environment or toolchain.

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.

Automate your iOS development - From building through testing to deployment Bitrise can automate your daily development tasks.

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

Hudson monitors executions of repeated jobs, such as building a software project or jobs run by cron.

Continua CI is an affordable, scaleable Continous Integration Server. Continua CI takes minutes to install and get builds happing, with unit testing, code coverage etc. It has an intuative easy to learn web interface. Supports git, mercurial, subersion, bazaar, plasticscm, surroundscm, vault, TFS and more.

GoCD is an open source continuous delivery server created by ThoughtWorks. GoCD offers businesses a first-class build and deployment engine for complete control and visibility. It was designed for continuous delivery and the concepts essential to this practice are built in at the core.

Services for teams to share code, track work, and ship software for any language. It's the perfect complement to your IDE.

Vexor is a fast cloud continuous integration service with per-minute billing. It has full GitHub and Bitbucket integration and supports Ruby/Rails, Python, NodeJS, Go, Clojure, Scala and more.

Bitten is a Python-based framework for collecting various software metrics via continuous integration. It builds on Trac to provide an integrated web-based user interface.