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.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Wondershare PDFelement - All-in-one PDF editor