Markdown by DaringFireball

Text-to-HTML conversion tool/syntax for web writers, by John Gruber

Atom

At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.

Byword

The easy way to write Markdown and rich text on your Mac and iDevices

C

One of the most widely used programming languages of all time

ContentTools

A small & beautiful WYSIWYG editor for HTML content.

DokuWiki

DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn’t require a database. It is loved by users for its clean and readable syntax. The ease of maintenance, backup and integration makes it an administrator’s favorite.

HTML5

5th major revision of the core language of the World Wide Web

Haroopad

Haroopad is a markdown enabled document processor for creating web-friendly documents.

Inkdrop

The note-taking app with robust Markdown editor, supporting macOS, Windows, and Linux.

Java

A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible

JavaScript

Lightweight, interpreted, object-oriented language with first-class functions

Joplin

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.

Mark Text

Mark Text is a Markdown editor for Mac, Windows and Linux.

Org mode

Org: an Emacs Mode for Notes, Planning, and Authoring

PHP

A popular general-purpose scripting language that is especially suited to web development

Python

Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Ruby

A dynamic, interpreted, open source programming language with a focus on simplicity and productivity

Scala Lang

Scala is a pure-bred object-oriented language that runs on the JVM

StackEdit

Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.

Typora

A minimal Markdown reading & writing app.

iA Writer

Minimal Design, Maximum Focus

reStructuredText

Invented for Python documentation.

21 Alternatives To Markdown by DaringFireball