osTicket - Open source support ticket system
If you're running a business, hopefully you've got customers. And whether you're selling goods or services, sooner or later somebody's going to need some attention. How you respond to customer service situations can have a big impact on your success, so you want to make sure you don't let any problems fall through the cracks. What you need is a helpdesk solution.
osTicket is designed to help you streamline support requests and improve customer support efficiency by providing staff with tools they need to deliver fast, effective and measurable support.
osTicket is a easy to set up, free support ticket system. Users can enter info to create help tickets via web, email, or phone, and they'll get a note back letting them know that they're in the system. From your site, you can answer inquires with canned text, or you can send custom messages to grab any additional information you may need, as well as keeping the customer up to date on how their ticket is progressing. Customers don't need to log in to use the system, which may help them with any privacy concerns. On your site, it's easy to assign and transfer tickets, and role-based access keeps your process rolling along and allows for adequate supervision and oversight.

