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.
Workflowy - A better way to organize your mind.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.