HTML-Notepad - HTML WYSIWYG editor for structured documents
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.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
iNotepad - Write and organize all your texts and notes on Mac.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.