FreelanceStation is a time tracking app for Mac specifically designed and built for freelancers. It has everything you need to work: easy manual time tracking, client, project and task management, estimate and invoice generation, payment recording and transaction exporting to accounting software.
Freework - An easy way to keep track of your daily work
Qbserve - Freelance time tracking, invoicing, and productivity improvement
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.
Klokki for Mac - Rule-based automatic time-tracking
LogSpace - Keep track of work hours, expenses, and send automatic invoices with our time tracking app designed for individuals and teams. Try LogSpace today for free.
Timemator - Automate your time-tracking and forget about the timer. Forever! Create your rules — tell Timemator which files you’re working on or what applications you use for your work... read more.