A community-driven Emacs distribution - The best editor is neither Emacs nor Vim, it's Emacs *and* Vim!

Open source Markdown editor for OS X.

http://atom-slack.herokuapp.com

Medium.com WYSIWYG editor clone. Uses contenteditable API to implement a rich text solution.

Super simple WYSIWYG Editor using Bootstrap

Asciidoc Book Editor based on Java FX 8

Haskell IDE plugin for Atom editor - https://atom.io/packages/ide-haskell

nREPL middleware to support refactorings in an editor agnostic way

A online text editor for reStructuredText, Markdown, LaTex and more!

Test data editor for Robot Framework

Ace (Ajax.org Cloud9 Editor)

A web editor for creating and sharing RAML API specifications

If you have a build-provider visible on http://atombuild.github.io, ping @noseglid and we’ll invite you to the slack dev channel!

Animated sprite editor & pixel art tool (Windows, Mac OS X, Linux)

the subtitle editor :)

A simple text editor written in Rust

The official gitter community for Komodo IDE

Autocomplete for PHP in atom editor

Join our new slack room! https://scriptcs-slack.herokuapp.com/

Just another Medium wysiwyg editor clone

A rich text editor framework for the web platform

Medium.com WYSIWYG editor clone. Uses contenteditable API to implement a rich text solution.

WebID profile editor

Powerful Tree Editor

The quirky editor and compiler for awesome web people.

Ember CLI integration for the Atom editor

Genome annotation editor, with a Java servlet backend and a Javascript client that runs in a web browser as a JBrowse plugin

Sublime-like terminal-based text editor

rtl markdown editor

A realtime editor for curating data as a team.

vidar is a highly experimental Go editor, written in Go, using gxui

HTML Editor Project for SWEN-262 Engineering of Software Subsystems

Pure js cross-browser WYSIWYM editor with a focus on the clean separation of content and styling.

HackLang Package for Atom Editor

View and edit directed graphs.

Jekyll snippets for the Atom editor

Qt Markdown Editor

A file-system based blog editor, with JavaFx (+scala)

Wct Editor is machine code editor for numeric system wct with IDE —

The redactor-rails gem integrates the Redactor editor with the Rails 3.2 asset pipeline.

Wind Viewer is a level viewer and editor for Zelda: The Wind Waker and (to an extend) Twilight Princess.

Live (Github-flavored) Markdown Editor

Haskell IDE plugin for Atom editor - https://atom.io/packages/ide-haskell

Miu is a Markdown Editor for Windows (MEW)

Live coding in browse, using text editor.

Use the wonderful ACE editor in your Cocoa applications

Vai editor. A text based IDE similar to vim, in python.

Meta is free and fast open source HTML5 game engine for making cross platform games, supports Canvas and WebGL rendering and Dopple for native compilation.