Free and Open Source Invoicing, Expenses & Time-Tracking
A simple phone billing console-based app (C language)
An Invoicing program for Auto Shops written in vba and MS-Access.
Simple Invoicing program for Desktop written in vba and Access
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Display earnings in real time and log work to Excel
A billing APP for Equipment Sales/Repair Shops written in MS-Access.
Free & Open Source Invoice App for Freelancers & Small Businesses
Invoice and office utilities program for customer managment
Excel Invoice windows desktop app template
Intuitive quote, delivery note, invoice, payments management app
Python/Django backend for Vosae (invoicing, organizer, contacts)