Free and Open Source Invoicing, Expenses & Time-Tracking
Accounting system for smaller companies written in GnuCobol.
Linux-Based Billing And Business Application Server For FREE use.
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Open Source Integrated Hospital Information Management System
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Tool to manage canteen, nursery and events registrations of a school.
Captures time & expense by project and account; generates invoice
Intuitive quote, delivery note, invoice, payments management app
Car's workshop management.
Free web-based invoicing primarily for Finnish companies