AgileBill is a Flexible Billing and Invoicing Application for a number of 
markets, including Web Hosts, ISPs, VoIP Providers, and membership/subscription
type models.

It features numerious plugins for payment processing, provisioning, and interfacing
with a variety of 3rd-party applications and services.

Development began as early as 2002, and initially released commercially in 2004. 

The project was released to open source in November 26, 2008.

For a full list of features, see this announcement: 
	http://forum.agileco.com/showthread.php?t=1644

The user community is located at:
	http://forum.agileco.com