FullContact - Put the power of full contact information into your web or mobile apps.
HubSpot CRM - Free CRM software for small businesses.
Pipl - The most comprehensive people search. Pipl is the place to find the person behind the email address, social username or phone number.
Keap - Grow Sales. Save Time. Get Organized.
Evercontact - Your contacts always up to date and automatically with Evercontact.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.