Falcon - Ultraportable 2-in-1 Laptop
CKEditor - Real-time collaborative future-ready rich text editor
Editorial - Desktop-class text & markdown productivity on iOS
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
NotePlan - Make plans inside an individual markdown note for every day in your calendar. Use it as a journal for your daily tasks and plan todos in advance. For Mac, iPhone and iPad.
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.