Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Drupe - Next generation contact manager and dialer.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
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.
OS9 Phone Dialer - OS9 Phone Dialer Pro Features: 1. Fast T9 Photo Dialpad. 2. Recents and Missed Calls logs. 3. Call blocker to block calls. 4. Hide Caller...
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.