Markdown-it vs Marked.js

Markdown-it is a popular open-source Markdown parser for Node.js and browsers. It is fast, simple, configurable and extensible with plugins. It features CommonMark support, syntax highlighting, linkify and other useful functionality out of the box.

Marked.js is a markdown parser and compiler for JavaScript. It allows you to convert markdown text into HTML very easily in the browser or Node.js. It has a simple API, is highly extensible through plugins, supports common dialects like GitHub Flavored Markdown, and works seamlessly in all modern browsers.