10 Best Free and Open Source Continuous Delivery Systems

Continuous delivery (CD) is a software engineering approach in which developers produce software in short cycles, ensuring that the software can be reliably released at any time and, when releasing the software, without doing so manually. It enables team to get changes of all types such as new features, configuration changes, bug fixes and experiments—into production, or into the hands of users, safely and quickly in a reliable and consistent way.

Following the automation of builds and unit and integration testing in CI, continuous delivery automates the release of that validated code to a repository. To have an effective continuous delivery process, it’s important that CI is already built into your development pipeline. The goal of continuous delivery is to have a codebase that is always ready for deployment to a production environment.

In continuous delivery, every stage—from the merger of code changes to the delivery of production-ready builds—involves test automation and code release automation. At the end of that process, the operations team is able to deploy an app to production quickly and easily.

We make the following recommendations captured in a legendary LinuxLinks-style ratings chasrt. Many of the systems also provide continuous integration (CI). We only feature free and open source software.

Ratings chart

Let’s explore the 10 CD tools. For each application we have compiled its own portal page, a full description with an in-depth analysis of its features, together with links to relevant resources.

Continuous Delivery Tools
JenkinsSelf-contained, open source automation server with a huge array of plugins
TektonPowerful and flexible framework for creating CI/CD systems
EarthlyCI/CD framework that runs every pipeline inside containers
DaggerPowerful, programmable CI/CD engine
GoCDEasily model and visualize complex workflows
SpinnakerCloud native continuous delivery
ConcoursePresents a general approach to automation for CI/CD
WoodpeckerUses docker containers to execute pipeline steps
AgolaCI/CD redefined
ScrewdriverBuild platform designed for Continuous Delivery

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2 years ago

I use Jenkins a lot.