Fanurio is a well-regarded software for time tracking and billing. It's particularly popular among freelancers thanks to its user-friendly platform, customizable timer, and the option to generate detailed invoices.

One of the key features of the software is the iTunes-like mini view, which allows users to easily control the timer while carrying out other tasks. Additionally, Fanurio runs on Windows, macOS, Linux and other Unix flavors without incurring any extra costs.
The software also offers several other useful features such as idle time detection, contact imports from Address Book and CSV files, invoice and payments reports, time and money reports for projects, partial payments, and client statements.
Furthermore, Fanurio allows users to export invoices to various formats, including HTML, PDF, Microsoft Word 2007, OpenOffice OpenDocument, and others. Custom layouts can also be used to create personalized invoices for clients.
In addition, Fanurio allows for timesheet imports from other users or computers, and users can easily export time, invoices, and payments to CSV or Excel formats.
Overall, Fanurio is a versatile and efficient software application that proves to be invaluable for freelancers seeking an effective solution for managing their time tracking and billing requirements. Finally, it runs smoothly on Windows 7 or later, OS X 10.8 or later, Linux and other flavors of Unix.
Version 3.3: Bug fixes