https://www.giuspen.com/cherrytree/ https://www.giuspen.com/cherrytree/ Hierarchical structure of notes, which are either plain text or rich text. Supports uni

https://www.giuspen.com/cherrytree/ https://www.giuspen.com/cherrytree/ Hierarchical structure of notes, which are either plain text or rich text. Supports unicode. Can store notes "one file per node" or "the entire structure in one file". Works on Windows and Linux. Is free and open source. There are no magic characters, so you can copy-paste code without further editing. (This is the part that I dislike about most alternatives; the need to add backslashes before dozens of characters whenever you make notes containing code.) Supports encryption. How to organize the nodes? I'd say, adaptively... start with one huge file for everything, and optionally separate the parts that grow too large. Or by access rights, e.g. "this needs to be encrypted" or "this I also want to use at work, but this is private". Refactoring is simple. Right now I have two files I use at home: "Everything" and "Private" (password-protected). One file called "Computer science", which is shared between my private and company computer. And one file I only use on the company computer, containing company-related stuff, including the projects I work on. (For example, "how to do X in project Y" would go to the company file, but general "how to do X in language Z" would go to the shared file.)