Free and Open Source Invoicing, Expenses & Time-Tracking
Accounting & Best Practice Business Administration System
Profesionalna integracja z Krajowym Systemem e-Faktur (KSeF)
Linux-Based Billing And Business Application Server For FREE use.
Free & Open Source Invoice App for Freelancers & Small Businesses
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice
Keep track of all your job costs, make sure you don't lose money