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.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
SEOquake - SEOquake provides a browser extension to conduct on-page SEO audit.