Atom
Atom is a free, open-source, and hackable text editor developed by GitHub, designed for modern software development with a focus on customization and extensibility. It features a built-in package manager, smart autocompletion, file system browser, and multiple panes for efficient coding across various programming languages. The editor is built on web technologies like HTML, JavaScript, CSS, and Node.js, allowing developers to modify its interface and functionality easily.
Developers should learn and use Atom when they need a highly customizable and extensible text editor for coding, scripting, or writing documentation, especially in web development environments. It is ideal for projects requiring integration with Git and GitHub, as it offers seamless version control features and supports a vast ecosystem of community-created packages for tasks like linting, debugging, and theme customization. However, it is less suitable for resource-intensive tasks due to performance considerations compared to more lightweight editors.