Work-Timer is the best tool to easily track your working time. Just press the record button when starting to work and enter a short description when finished. Working breaks and wages can be determined as well.
You can set a timer while working or add entries by hand. Work-Timer is not overloaded with useless features and very easy to use. It also includes the optional Work-Timer Menubar which allows to start recording at any point in time without launching the Work-Timer application. You can process your data further using exports in formats like Excel, CSV and PDF.
You are welcome to download, test and use Work-Timer for free. For commercial use and for making use of the export and print functions, please purchase a license for just 12 USD.
macOS 10.6 or higher