Jenkins is a fork of Hudson and is a continuous build system for software projects.
Jenkins vs CircleCI opinions
I like Jenkins as an alternative because it is free and scalable.
Drone is a Continuous Delivery system built on container technology. Drone uses a simple YAML configuration file, a superset of docker-compose, to define and execute Pipelines inside Docker containers. Drone is a lightweight, powerful continuous delivery platform built for...
Earthly is a CI/CD framework that allows you to develop pipelines locally and run them anywhere. Earthly leverages containers for the execution of pipelines. This makes them self-contained, repeatable, portable and parallel.
Kraken is a modern, open-source, on-premise CI/CD system that is highly scalable and focused on testing.
CruiseControl is both a continuous integration tool and an extensible framework for creating a custom continuous build process. It includes dozens of plugins for a variety of source controls, build technologies, and notifications schemes including email and instant messaging.Discontinued
Last source commit was in 2014 (https://sourceforge.net/p/cruisecontrol/code/HEAD/tree/ ), last release was in 2014 (https://sourceforge.net/projects/cruisecontrol/ )...