Knowledge Base Systems are the developers of OnCall, Carer OnCall, Daisy and other purpose built application software.

OnCall is a software application to support medical information hotlines.

Carer OnCall is a derivative of OnCall to support case management for aged and disability clients with carers and brokerage.

Daisy is a Rostering software application for in-home Personnal Carers and Nurses with payroll and invoicing.