CiviCRM
CiviCRM is an open source customer relationship management, or CRM, software suite that has a full set of features. The software is really designed for larger businesses and enterprise-level companies as opposed to startups or small businesses. The package is made up of several individual modules that address various issues. The package can be used to help track sales leads and contacts. The software has a module for salespeople that helps to maintain the integrity of the sales pipeline so that every opportunity is seized. Case management tools make providing customer service and support incredibly easy. A large part of CiviCRM is dedicated to marketing through email and other channels. The software can generate data to help focus marketing efforts. It can report the results of email campaigns and other marketing endeavors. There is even support for events and peer-to-peer fundraising. CiviCRM is one of the most comprehensive open source CRM packages available right now.