I also have one for rapid steam-of-conscious thoughts[2] and organized journaling[3].
Personally, I'm a fan of the "plaintext files in a directory" pattern for notes, thoughts, and writing.
[1]: https://github.com/Pinjasaur/jot
[2]: https://github.com/Pinjasaur/jt
[3]: https://github.com/Pinjasaur/jrnl