open source php billing and invoicing
AGPL web-based billing system providing accounting, service billing, time keeping and more.
Easy and lean invoicing for small businesses, consultants and freelancers, created using AppGini
An automated recurring billing system for cable TV network monthly bill generation.
A self-hosted open source application for managing your invoices, clients and payments.
A PHP package for managing italian e-invoice and notice XML formats. (Pacchetto PHP per gestire il formato XML di fatture e notifiche come richiesto dal SdI).