remark is an ecosystem of plug-ins for processing markdown. It’s not another markdown to HTML compiler. It can generate and reformat markdown too. Powered by plugins to do all kinds of things: check markdown code style, transform safely to React, add a table of contents, or compile to man pages.
It’s built on unified, make sure to read it and its website too.
remark— Programmatic interfaceremark-cli— Command-line interface
Oh, and plug-ins?!