Free and Open Source Invoicing, Expenses & Time-Tracking
Open source ERP and CRM web software for business
Accounting & Best Practice Business Administration System
The Free & Popular Akaunting Web Software in Complete Virtual Machine
FreelancerBooks -Project Management for Freelancers and Agencies
Free PHP Codeigniter Expense Manager (management) Script
its complete accounting system for small scale manufacturing companies
Mutasyon is a script can add customer, products, inventory or invoice
Software platform
IT Documentation, Accounting and Invoicing System for Small MSPs.