BILLmanager is an all-in-one web hosting billing software. Developed by ISPsystem
License: Commercial
BILLmanager is a comprehensive billing and invoicing solution with strong recurring billing and multi-currency support, making it ideal for global businesses. In contrast, Avaza excels in project management and team collaboration, offering a more user-friendly interface, but lacks some of the advanced billing features found in BILLmanager.