Eclipse Countdown 2017 - All of your eclipse questions answered
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Email Timer - Generate custom countdown timer HTML code that you can easily embed in an email.
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.
Online Countdown by Datelist - Make an online countdown for your next event
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.