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.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.