UVI Falcon - Sampler/synth hybrid instrument
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Pianoteq - Pianoteq is a virtual piano that runs on your computer.
Drupe - Next generation contact manager and dialer.
LinuxSampler - LinuxSampler - free, open source pure software audio sampler with professional grade features.
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.