1 RescueTime
RescueTime is another of the many applications that help you tracking your spent time, but it's an excellent one. Time management and tracking apps allow you to be more productive.
2 TSheets
TSheets is one of the easiest time tracking system out there. You can use it directly via web browser, but a mobile app will help you if you work on the go or off-site.
3 Fanurio
Fanurio is a time tracking and billing software application, highly appreciated by freelancers for its intuitive interface, flexible timer and ability to produce detailed invoices.
4 TimeClock Plus
TimeClock Plus is an excellent time and attendance system designed for organizations since 1988. The product comes in different versions for every size of business, and it allows to track real-time employee labor controlling unnecessary overtime.
5 Harvest
Harvest is one of the most famous independent time tracking and invoicing service in the industry. It’s a web application, so you can use it from wherever you are, and there’s nothing to install.