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CitrusDB is open source customer service and billing software solution (CC&B) that uses PHP and a database backend (MySQL) to keep track of customer information, BSS, operational CRM, services, products, billing invoices and credit cards, and support...

Group Office - An open source CRM and groupware application

Group-Office is an enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. Easy to use and fully customizable.

VHCS open source hosting control panel for simplified webserver management

VHCS - open source control panel for profitable hosting business, VHCS is the leading appliance of web hosting solutions and automation software. We provide award winning service, administration tools, and turn key web hosting solutions.

ISP Billing, VoIP Billing, CRM, trouble ticketing and network monitoring - Freeside

ISP billing, VoIP billing, WISP billing: Open-source billing, CRM, trouble ticketing, network monitoring and provisioning software for ISPs and WISPs, VoIP providers, CLECs, colocation and hosting providers and online businesses.

ISP Billing, VoIP Billing, CRM, trouble ticketing and network monitoring - Freeside

ISP billing, VoIP billing, WISP billing: Open-source billing, CRM, trouble ticketing, network monitoring and provisioning software for ISPs and WISPs, VoIP providers, CLECs, colocation and hosting providers and online businesses.