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 pricing and billing infrastructure
Open Source Metering and Usage Based Billing API
Easy to use, modern and reliable POS solution.
Open Source Integrated Hospital Information Management System
Open Source Openbravo POS convert to Commercial Retail ERP and POS
A powerful, lightweight, self-hosted finance app that is easy to use
Accounting system for smaller companies written in GnuCobol.
Accounting, invoicing, inventory and payroll software for Linux
Reverse engineering API
Linux-Based Billing And Business Application Server For FREE use.
QRK Registrierkassen Software für kleine Betriebe.
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Small Business Appliance
Erstellt für Sie Angebote/Rechnungen/Mahnungen und mehr
Free & Open Source Invoice App for Freelancers & Small Businesses