Firefly CRM, Open Source PHP CRM

Firefly CRM is a Web-based customer relationship management system to keep track of customers and their companies. Each entry can have a list of actions to be done and items tjat have been done. It can also be used to send emails to your customers. Firefly CRM is designed to improve customer care, increase marketing communication via e-mail and to aid in general day to day scheduling and organisation. From its main features :
* Store contact / customer details
* Arrange contacts into groups of your choosing
* Schedule actions to do for contacts and for groups
* E-mail reminders to your inbox for scheduled actions
* Send e-mails to either individual contacts or to groups
* Keeps history of all actions completed