Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
Empower your hosting business with FOSSBilling
Simple and elegant invoicing solution
Open Source Metering and Usage Based Billing API
Open-source pricing and billing infrastructure
Easy to use, modern and reliable POS solution.
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Accounting system for smaller companies written in GnuCobol.
Simple Invoicing program for Desktop written in vba and Access
Open Source Integrated Hospital Information Management System
An Invoicing program for Auto Shops written in vba and MS-Access.
A simple phone billing console-based app (C language)
Reverse engineering API
QRK Registrierkassen Software für kleine Betriebe.
Linux-Based Billing And Business Application Server For FREE use.
Creates Invoice & Quotation for Customers
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