InStream CRM - Business relationship management platform - CRM alternative
Evercontact - Your contacts always up to date and automatically with Evercontact.
Gmail CoPilot by cloudHQ - Easy CRM: View all past conversations with an email contact
Pobuca Connect - Connect with your contacts.
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
CRM-gx - Contact Management