TimePanic - TimePanic is an award-winning application for tracking time spent at the computer.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
OnlineNotepad.org - Free browser-based text editor
aNotepad - anotepad.com is an online text editor that you can write notes and anotepad also has great stability
ManicTime - Track your computer usage and use collected data to accurately tag time.