nb是一个基于命令行的笔记本工具，功能很强大。
记笔记何须离开终端？
特点
- plain-text data storage,
- encryption,
- filtering and search,
- Git-backed versioning and syncing,
- Pandoc-backed conversion,
- global and local notebooks,
- customizable color themes,
- extensibility through plugins,
支持各种编辑器打开笔记， 我自然用VIM了。
A text editor with command line support, such as:Vim,Emacs,Visual Studio Code,Sublime Text,micro,nano,Atom,TextMate,MacDown,some of these,and many of these.