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

One of the most popular alternatives to CircleCI is Jenkins, which is free and open source. Other popular alternatives are TeamCity, GitHub Actions, BuildNinja and Travis CI. There's no shortage of CI/CD Systems like CircleCI, with more than 50 alternatives for Linux, self-hosting, Windows, Mac and Android.
Jenkins is a fork of Hudson and is a continuous build system for software projects.

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.



GitHub Actions makes it easy to automate all your software workflows, now with world-class CI/CD. Build, test, and deploy your code right from GitHub. Make code reviews, branch management, and issue triaging work the way you want.



A comprehensive Continuous Integration and Continuous Delivery (CI/CD) platform designed to automate the entire software development lifecycle, including building, testing, and deploying applications.

Travis CI is a leading provider of continuous integration and delivery services and empowers software development teams to test and deploy their applications with confidence. Teams can easily sync their cloud platform projects with Travis CI to begin testing code in minutes.


Continuous Delivery Services for teams to share code, track work, and ship software – for any language, all in a single package.




Automate your builds and deployments with Pipelines so you spend less time with the nuts and bolts and more time being creative.




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




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




Cicada.sh is a free and open-source platform designed to facilitate the execution of software automation workflows. This platform is unique in its approach to infrastructure coding, utilizing a programming language specifically constructed for automation workflows.
