Open Source Integrated Hospital Information Management System
Free Desktop book-keeping software for small-businesses & freelancers
Simple and elegant invoicing solution
Free and Open Source Invoicing, Expenses & Time-Tracking
Open Source Metering and Usage Based Billing API
Open-source pricing and billing infrastructure
Empower your hosting business with FOSSBilling
Simple Invoicing program for Desktop written in vba and Access
An Invoicing program for Auto Shops written in vba and MS-Access.
Accounting, invoicing, inventory and payroll software for Linux
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Accounting system for smaller companies written in GnuCobol.
A powerful, self-hosted personal finance app that is easy to use
Track tasks, time, earnings, and overtime on Windows
A sleek, Flutter-based cross-platform bookkeeping app.
Linux-Based Billing And Business Application Server For FREE use.
Τιμολόγιο δαπάνης Ενόπλων Δυνάμεων
QRK Registrierkassen Software für kleine Betriebe.
Creates Invoice & Quotation for Customers
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Small Business Appliance
A billing APP for Equipment Sales/Repair Shops written in MS-Access.