citrusdb is customer care and billing software that can be used in many different service providers, including Internet service, subscriptions, consulting, and telecommunications. It provides CRM, ticketing, invoicing, and credit card batches.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This new feature release adds email invoices with PDF attachments. Credit card reruns now create invoices with past due amounts instead of moving old items to new invoices. More indexes have been added to the default SQL scheme for faster queries.
