Free and Open Source Invoicing, Expenses & Time-Tracking
Accounting system for smaller companies written in GnuCobol.
Accounting, invoicing, inventory and payroll software for Linux
Small Business Appliance
Application for tracking customers, clients, accounts, etc. PHP/MDB2
Mutasyon is a script can add customer, products, inventory or invoice
Software developed for the purposes of czela.net o.s.