Free and Open Source Invoicing, Expenses & Time-Tracking
Empower your hosting business with FOSSBilling
Accounting system for smaller companies written in GnuCobol.
Linux-Based Billing And Business Application Server For FREE use.
Small Business Appliance
Best software solution for Small, Medium Retail shop Management
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice