Atom is a free and open-source text and source code editor. It has features such as embedded Git Control, plug-in support.
Web page: atom.io
PDF (Portable Document Format) is a commonly used document format created by Adobe. Creating a PDF of a keyboard shortcut list may make it easier to print, quicker to open, and view offline. The PDF output is also without any ads, it's just the basic list presented in two or three columns.
Printing notice: Please consider environmental effect before printing on a paper.