Free and Open Source Invoicing, Expenses & Time-Tracking
Kimai is a web-based multi-user time-tracking application
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Sample/Actual payroll program/book in PHP and MySQL
FreelancerBooks -Project Management for Freelancers and Agencies
Free Solutions for you
Programa - web-php para gestionar facturas en base de datos mysql.
Free web-based invoicing primarily for Finnish companies
Keep track of all your job costs, make sure you don't lose money