Open Source Metering and Usage Based Billing API
Empower your hosting business with FOSSBilling
Open Source Integrated Hospital Information Management System
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Small Business Appliance
A super simple way to create & send invoices, receive payments online
Invoice and office utilities program for customer managment
Open-source subscription management & billing automation system
Carting Management System
Captures time & expense by project and account; generates invoice
Hotel And Lodge Management Software