Open Source Metering and Usage Based Billing API
Simple and elegant invoicing solution
Empower your hosting business with FOSSBilling
Easy to use, modern and reliable POS solution.
Accounting system for smaller companies written in GnuCobol.
Simple Invoicing program for Desktop written in vba and Access
Linux-Based Billing And Business Application Server For FREE use.
Accounting, invoicing, inventory and payroll software for Linux
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Small Business Appliance
Display earnings in real time and log work to Excel
ALGO GST Billing Software
Desktop and mobile solution for invoicing
A super simple way to create & send invoices, receive payments online
Invoice and office utilities program for customer managment
Excel Invoice windows desktop app template
Offline invoicing tool updated with latest GST rules
Daily expense details manager
Open Source Invoice Programm for Egroupware
Baraza Business Management System, a product of Openbaraza
Point of sale register
The Open Source Invoice Management Software
Mutasyon is a script can add customer, products, inventory or invoice
Carting Management System