CKEditor - Real-time collaborative future-ready rich text editor
Future - Calendar events around the clock
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Event Calendar App - A simple, easy to manage, way of displaying events
Trumbowyg - Feature-packed WYSIWYG editor in only 15kB of JavaScript
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.