Free and Open Source Invoicing, Expenses & Time-Tracking
Free & Open Source Invoice App for Freelancers & Small Businesses
Free and Online Accounting Software
Accounting & Best Practice Business Administration System
NotrinosERP Human Resource Management Module
Free PHP Codeigniter Expense Manager (management) Script
Mutasyon is a script can add customer, products, inventory or invoice
Captures time & expense by project and account; generates invoice
Freelancer tiny ERP and calendar