Solo: A Free Project Management App for Freelancers

Solo is the easiest way to manage your projects. You can create contacts, manage tasks, upload files, track project progress, and keep notes – all in the same place. The interface is simple, elegant, and intuitive.

You can easily keep track of how much time is spent on a task using the task timer. Manually enter time for those cases when work is performed without the timer. It’s easy to use installation wizard to guide you through the process. Requires a linux server, PHP 5.3+, and MySQL. You’ll have full access to the unencrypted source, allowing you to make any changes you like.

Requirements: PHP and MySQL Framework
Demo: http://www.getsoloapp.com/
License: Solo License