Online Accounting Software
Free and Open Source Invoicing, Expenses & Time-Tracking
Free Invoice & Billing Software for Windows, Linux & Mac
A portfolio tracking, analytics, accounting and tax reporting app
Cclite Alternative Currency Software
Ultimate Zero-Budget Revshare Solution for Indie Teams
uniCenta oPOS - dynamically evolving POS project
A simple toolset to help students understand basic accounting
Free & Open Source Invoice App for Freelancers & Small Businesses
Escribir facturas - simple y fácil
Desktop and mobile solution for invoicing
Rental Tracking and Accounting System
Sample/Actual payroll program/book in PHP and MySQL