Volgistics - Volgistics is a volunteer management software solution, that helps to manage volunteers through the entire volunteer cycle.
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.
SignUpGenius - SignUpGenius is a tool for scheduling events, sending out invitations, and managing your respondents all in one place.
CiviCRM - A Constituent relationship management for the Civic Sector
Galaxy Digital - Manage, track, schedule, engage, and report on volunteerism with Galaxy Digital's mobile-friendly volunteer management software and mobile app.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.