Hunter - Find all the email addresses related to a domain
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.
Leadjet - Save time and enrich your CRM with LinkedIn
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Email Hunter for Chrome - Find all the emails related to a domain with just one click
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.