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.
- [Showdown](https://github.com/showdownjs/showdown) - Showdown is a JavaScript Markdown to HTML converter, based on the original works by John Gruber.
- [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.
- [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.
- [csvtomd](https://github.com/mplewis/csvtomd) - Convert your CSV files into Markdown tables. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Dimer Markdown](https://github.com/dimerapp/markdown) - converts Markdown to HTML or to JSON ![Globe][globe] ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [clipboard2markdown](https://euangoddard.github.io/clipboard2markdown/) - Website to paste content and get a markdown version. Works on any modern browser with JavaScript.
- [Abricotine](https://abricotine.brrd.fr/) - Lightweight markdown editor built with Electron with built-in realtime preview. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Caret](https://caret.io/) - Markdown Editor for Mac and PC. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [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!_ ![Android OS][android-os] ![iOS Logo][ios-logo] ![Mac OS X][macosx]
- [Markdownify](https://markdownify.js.org) - A minimal Markdown Editor desktop app. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Notable](https://notable.md/) - The Markdown-based note-taking app that doesn't suck. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Boostnote](https://boostnote.io/) - A markdown editor for developers. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Trilium Notes](https://github.com/zadam/trilium) - A hierarchical note taking application with focus on building large personal knowledge bases. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Joplin](https://joplinapp.org/) - An open source note taking and to-do application with synchronisation capabilities. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows] ![iOS Logo][ios-logo] ![Android OS][android-os]
- [Visual Studio Code](https://code.visualstudio.com/) - An open source code editor with built-in markdown preview and many markdown extensions. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Quiver](http://happenapps.com/) - A notebook built for programmers. ![Mac OS X][macosx] ![iOS Logo][ios-logo]
- [Bear](https://bear.app/) - A beautiful, flexible writing app for crafting notes and prose. ![Mac OS X][macosx] ![iOS Logo][ios-logo]
- [Laverna](https://laverna.cc/) - Laverna is a JavaScript note taking application with Markdown editor and encryption support. :gem: _Markdown notes with encryption!_ ![Globe][globe] ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [termd](https://github.com/dephraiim/termd) - Markdown renderer for the terminal with syntax highlighting. ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [hacker-slides](https://github.com/msoedov/hacker-slides) - Minimal UI for building presentation slides from markdown. ![Mac OS X][macosx] ![Linux][linux]
- [Marp](https://marp.app/) - Markdown presentation ecosystem. :gem: _CLI, Web, IDE plugin and more to convert Markdown into various formats_ ![Mac OS][macosx] ![Linux][linux] ![Windows][windows]
- [mdp](https://github.com/visit1985/mdp) - Command-line based Markdown presentation tool. :gem: _Like PowerPoint and Vim but with Markdown!_ ![Mac OS X][macosx] ![Linux][linux]
- [remark](https://remarkjs.com) - A simple, in-browser, Markdown-driven slideshow tool targeted at people who know their way around HTML and CSS. ![Globe][globe]
- [reveal.js](https://revealjs.com) - Open source HTML presentation framework with Markdown support ![Mac OS X][macosx] ![Linux][linux] ![Windows][windows]
- [Daux.io](https://daux.io) - Daux.io is an documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly.
- [Pandoc’s Markdown](https://pandoc.org/MANUAL.html#pandocs-markdown) - [Pandoc](https://pandoc.org/) has its own, powerful markdown implementation. It consists of several addional extensions.
- [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.