PlayVoIP is a Web-based VoIP service enabler with
user management, statistical reports, and a
registration application system based on LAMP and
Asterisk. At the beginning, this project was
specially designed for the simple and free
Indonesian VoIP network VoIP Rakyat.
PlayBilling is a billing system for internet cafes and wireless
hotspot providers, mostly written in Java. It features tariff
management, prepaid, postpaid, and discounts, user
management, and an extensive reporting system.