BillSonar 1.0.2 for Mac can be downloaded from our website for free. The application is categorized as Business Tools. This software for Mac OS X was originally produced by 6DS Idea Ltd.
From the developer:
BillSonar is an invoice issuer, a client register (Basic CRM), and a ToDo manager system for Mac OS X. Beside its simple and easy handling, it can be perfectly customized by its several setting options. The tool helps you in creating nice-looking documents, fitting into the image of the company. Moreover, you can perform the maintenance of all your company business in one software tool with its client register system and to-do calendar.
You may want to check out more software for Mac, such as PitStop Connect, TimeTrex or acquia-drupal, which might be similar to BillSonar.