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.
BambooHR - Personalized HR software for SMBs
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
CharlieHR - Charlie automates many of the administrative headaches you'll experience when scaling a company, so you can spend less time doing admin and more time doing the things you love.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Namely - Namely is the end-to-end HR, payroll, and benefits platform for growing companies.