Free and Open Source Invoicing, Expenses & Time-Tracking
Cclite Alternative Currency Software
Free Invoice & Billing Software for Windows, Linux & Mac
Ultimate Zero-Budget Revshare Solution for Indie Teams
uniCenta oPOS - dynamically evolving POS project
Free & Open Source Invoice App for Freelancers & Small Businesses
NotrinosERP Human Resource Management Module
Expense reporting system for business
Web interface for mass payment of salaries in MT101 format
jBilling is a web-based enterprise billing system.