lol maybe just I'm old , my method these days is: In each of my "many" current+unfinished projects. I usually have a "design.txt" or "design.plan" (when I feel

lol maybe just I'm old , my method these days is: In each of my "many" current+unfinished projects. I usually have a "design.txt" or "design.plan" (when I feel very hackerman) which I just edit with my fav text editor, usually geany. This covers 85% of my note-taking requirements.