The Node.js integration of the application provides you with all the relevant tools that you can think of while making any changes in Atom. You can find the editor, server, and repository as well. So, making any changes in the application is not at all problematic.
The modular design of the application is because of the presence of 50 open source packages. These packages help in the elimination of the distinction between the user and the developer. Although the software supports changing anything you like, there are some useful in-built features that you can use to get your work done.
Some of these features include multiple panes, various cursors, snippets, code folding, and file system browser. Also, some other features are part of the long list of functions provided by the application.
Atom is a text editor that can allow you to change anything in it using programming skills to get an optimized product for your usage.