Free and Open Source Invoicing, Expenses & Time-Tracking
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Small Business Appliance
Free & Open Source Invoice App for Freelancers & Small Businesses
Tool to manage canteen, nursery and events registrations of a school.
Application for tracking customers, clients, accounts, etc. PHP/MDB2
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice
Car's workshop management.
Free web-based invoicing primarily for Finnish companies