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.
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.
Generate professional invoices and business letters directly online
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice
Software developed for the purposes of czela.net o.s.
Free web-based invoicing primarily for Finnish companies