Dropbox Paper is a place where you and your team can generate ideas together over an internet connection. Share any type of content, make changes to what you already have and get notified when someone else makes suggestions. The creativity flow has always better when teamwork.
TinyMCE is a powerful and stable WYSIWYG HTML editor. It comes with more than 40 editing tools and premium features such as improved spell check, file management and upgraded copy-paste.
ProseMirror is a toolkit for building rich-text editors on the web.