Productivity Power Tools - Extension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.
CKEditor - Real-time collaborative future-ready rich text editor
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.