LyX: combine the power of LaTeX with the ease of use of a graphical interface
The thing I love most about LyX is the "outline" view. Editing plain text e.g. in "vi" has nothing comparable, but neither does Word, or Google Docs, etc., in my opinion.In the screenshot here https://pauljmiller.files.wordpress.com/2015/05/lyx-main-scr... you can see there is a pane on the left with the document structure. At the bottom of that pane, there are four buttons, the right of which are an up and down button. Those four buttons (left, right, up, down) allow you to take a section of the document and move it around. The up/down change its position relative to other sections, and left/right promote/indent the section (e.g. change heading to sub-heading, or vice versa).When editing large documents (e.g. > 100 pages), I find this invaluable if I wish to restructure the document.