It depends on what you want to achieve. Taking simple notes => MacDown, as iDemonix said. Complex documents (long reports, mathematics notes, ...) => LaTeX. (T

It depends on what you want to achieve. Taking simple notes => MacDown, as iDemonix said. Complex documents (long reports, mathematics notes, ...) => LaTeX. (TexMaker for example). It is totally worth it to spend 1 or 2 days struggling with LaTeX.