Free Desktop book-keeping software for small-businesses & freelancers
Empower your hosting business with FOSSBilling
Simple and elegant invoicing solution
Escribir facturas - simple y fácil
Open-source subscription management & billing automation system
Application for tracking customers, clients, accounts, etc. PHP/MDB2
Mutasyon is a script can add customer, products, inventory or invoice
jBilling is a web-based enterprise billing system.
Simple Aplikasi Hotel Management System
Carting Management System
Captures time & expense by project and account; generates invoice