CKEditor - Real-time collaborative future-ready rich text editor
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Froala Editor - Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.