Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
Simple and elegant invoicing solution
Easy to use, modern and reliable POS solution.
Empower your hosting business with FOSSBilling
Open Source Metering and Usage Based Billing API
Open-source pricing and billing infrastructure
Open Source Integrated Hospital Information Management System
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Simple Invoicing program for Desktop written in vba and Access
Accounting system for smaller companies written in GnuCobol.
An Invoicing program for Auto Shops written in vba and MS-Access.
QRK Registrierkassen Software für kleine Betriebe.
Creates Invoice & Quotation for Customers
A simple phone billing console-based app (C language)
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Display earnings in real time and log work to Excel
Calculate your budget without spending much for your home and business
A billing APP for Equipment Sales/Repair Shops written in MS-Access.