SpotiMy - Play/Pause and Next/Previous functions for Spotify directly on your Menu Bar!
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Owlead - Grow your Twitter with valuable followers, effortless
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.