What do you use, and how do you like it?
What have you tried and didn't like?I manage my notes/contacts/project as text file versioned with git. I'm sure I'm not the only one around here.
Works great across computers, but I still haven't found an app I like for mobile.(I'm on iOS, but Android recommendations are welcome, as they may be useful to others)Some interesting things here:


(I'm refraining from summarizing results because I don't want to be flagged as promoting).