Markdown is a cross-platform universal format that can be used in a variety of scenarios, so it should be saved on your own computer. You can use git or cloud disk to back it up.
GitHub Flavored Markdown Spec
Bluestone use gfm spec, Supports shortcut keys and syntax for inserting elements, Optimize the editing experience of tables, lists, code columns, text formats, etc., extends mermaid graphics and katex formulas.
Easy and fast sharing
bluestone provides a sharing program. If you have your own Linux server, you can set up a sharing service in 5 minutes, and you can share independent documents or folders with one click, see more.