Atom is a text editor made by the guys from GitHub and is completely Open Source. With a text editor you can open any filetype from CSV to JSON, search for specific patterns, set the encoding, or replace the seperator. But it’s not only useful for editing text files: Text editors are used to write programming source code as well.
Whether you want to have a closer look at a data file of any format or write a website: A text editor is what you’ll need. You can write scripts in HTML, Python, R, or any other language as well as create and edit CSV, TXT or JSON files with it. Atom is an Open Source text editor that comes with many additional features. For example, you can minify files to minimize their size, but with a click prettify them again to make them easier to read. You can search and replace patterns, change the files encoding, or add plugins for autocompletion or a fuzzy search.