Markdown is a markup language created by John Gruber in collaboration with Aaron Swartz. It was designed to be easily converted to HTML and has been extended into different types of implementations.
<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24"> means that **it's _webapp/webservice_**.<br/>
<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/android_os_copyrighted-24.png"title="Android OS"width="24"> means that **runs on _Android_**.<br/>
<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Logos/ios_logo-24.png"title="iOS Logo"width="24"> means that **runs on _iOS_**.<br/>
<imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24"> means that **runs on _macOS_**.<br/>
<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/linux-24.png"title="Linux"width="24"> means that **runs on _Linux_**.<br/>
<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/windows8_copyrighted-24.png"title="Windows8"width="24"> means that **runs on _Windows_**.<br/>
- [markdown-js](https://github.com/evilstreak/markdown-js) - Yet another Markdown parser, this time for JavaScript.
- [Showdown](https://github.com/showdownjs/showdown) - Showdown is a JavaScript Markdown to HTML converter, based on the original works by John Gruber.
### Perl
- [Markdown.pl](http://daringfireball.net/projects/downloads/Markdown_1.0.1.zip) :gem: John Gruber's original Markdown library.
### PHP
- [parsedown](https://github.com/erusev/parsedown) - Better Markdown Parser in PHP.
- [php-markdown](https://github.com/michelf/php-markdown) - Parser for Markdown and Markdown Extra derived from the original Markdown.pl by John Gruber.
### Python
- [markdown2](https://github.com/trentm/python-markdown2) - A fast and complete implementation of Markdown in Python.
- [Mistune](https://github.com/lepture/mistune) - The fastest Markdown parser in pure Python with renderer feature.
- [Python-Markdown](https://github.com/waylan/Python-Markdown) - A Python implementation of John Gruber's Markdown.
### Ruby
- [kramdown](https://github.com/gettalong/kramdown) - kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting several common extensions.
- [Redcarpet](https://github.com/vmg/redcarpet) - Redcarpet is a Ruby library for Markdown processing that smells like butterflies and popcorn.
- [Markdown to PDF](http://www.markdowntopdf.com/) - Simple and useful website for converting Markdown to PDF. <imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24">
- [Caret](https://caret.io/) - Markdown Editor for Mac and PC. <imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/linux-24.png"title="Linux"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/windows8_copyrighted-24.png"title="Windows8"width="24">
- [iA Writer](https://ia.net/writer/) - iA Writer is designed to provide the best writing experience on Mac OS, iOS and Android. :gem: _Really simple editor!_<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/android_os_copyrighted-24.png"title="Android OS"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Logos/ios_logo-24.png"title="iOS Logo"width="24"><imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24">
- [Marp](https://yhatt.github.io/marp/) - Markdown Presentation Writer. :gem: _Like PowerPoint but with Markdown!_<imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/linux-24.png"title="Linux"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/windows8_copyrighted-24.png"title="Windows8"width="24">
- [mdp](https://github.com/visit1985/mdp) - Command-line based Markdown presentation tool. :gem: _Like PowerPoint and Vim but with Markdown!_<imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/linux-24.png"title="Linux"width="24">
- [Classeur](http://classeur.io/) - Classeur is a new platform to write simple notes as well as technical documents and blogs. <imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24">
- [Dillinger](http://dillinger.io/) - Dillinger is a cloud-enabled, mobile-ready, offline-storage, AngularJS powered HTML5 Markdown editor. <imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24">
- [HackMD](https://hackmd.io) - HackMD lets you create realtime collaborative Markdown notes on all platforms. <imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24">
- [Laverna](https://laverna.cc/) - Laverna is a JavaScript note taking application with Markdown editor and encryption support. :gem: _Markdown notes with encryption!_<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24"><imgsrc="https://maxcdn.icons8.com/Android_L/PNG/24/Operating_Systems/mac_os-24.png"title="Apple"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/linux-24.png"title="Linux"width="24"><imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Operating_Systems/windows8_copyrighted-24.png"title="Windows8"width="24">
- [Daux.io](http://daux.io) - Daux.io is an documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly.
- [NoteHub](https://notehub.org/) - Free and Hassle-free Pastebin for Markdown Notes. :gem: _Like Pastebin but with Markdown_<imgsrc="https://maxcdn.icons8.com/Color/PNG/24/Maps/globe-24.png"title="Globe"width="24">
- [ScholarlyMarkdown](http://scholarlymarkdown.com/) - ScholarlyMarkdown is a syntax/standard/best-practice of scholarly and academic communication that is web-first, semantic XML-second, and LaTeX/Word a close third.
- [The text/markdown Media Type (RFC7763)](https://tools.ietf.org/html/rfc7763) - This document registers the `text/markdown` media type for use with Markdown, a family of plain-text formatting syntaxes.
To the extent possible under law, [Joaquín Serna](https://github.com/BubuAnabelas) has waived all copyright and related or neighboring rights to this work.