Jenkins is a self-contained Java-based program, ready to run out-of-the-box, with packages for Windows, Mac OS X and other Unix-like operating systems. Developed by R.Tyler Croy
License: Open Source
Jenkins is a highly customizable and extensible CI/CD tool that can be hosted on-premises, making it ideal for organizations that require control over their environment. On the other hand, Codeship is a cloud-based solution that offers ease of use and faster setup, making it suitable for small to medium-sized teams looking for a streamlined CI/CD process.