Continuous integration (CI) is a software development practice where developers frequently merge their code changes into a central repository, which is automatically built and tested. CI can help to detect and fix bugs early in the development process. Popular CI platforms include Jenkins, Travis CI, and CircleCI. Boxing A text editor is a software program that allows users to create and edit plain text files. Text editors are used by developers to write code and by writers to create documents. Examples of text editors include Notepad, Sublime Text, and Atom.