Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
CiviCRM - A Constituent relationship management for the Civic Sector
Zoho CRM - Omnichannel CRM for Businesses of all sizes
EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.