Why, how it's made is also its interface, and its operational requirements. Both are important. - Markdown: widely used, readable, well-supported by other tool

Why, how it's made is also its interface, and its operational requirements. Both are important. - Markdown: widely used, readable, well-supported by other tools. - Git: ubiquitous, well-supported, likely already present and set up. - Python: ubiquitous, well-supported, easy to read and hack on; sometimes a pain to deploy. If the above is not relevant for you, well, you'd be better served with opaque one-click-installable apps from App Store. Not bad, just different.