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.
TeamUltim - Probably the quickest and slickest web app for rota scheduling, HR management and PTO and vacation management. Get your free 30 days trial, no app download required.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
TimeCamp - Simple and robust time tracking app to help you stay on the same page with your team while working from home.