We've found Shireburn Indigo Payroll to be very intuitive and user-friendly, plus running payroll in a matter of minutes is a great advantage. Introducing the new version of Indigo Mobile, an integral component of the Indigo Attendance module. With Indigo Mobile, your smartphone becomes your. Shireburn Software's Indigo Suite is an award-winning cloud-based people management platform for payroll, HR, leave, attendance management, and more.