F-Stop Media Gallery - Image and video organizer.
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.
Camera Roll - Simple Gallery App for Android, with lovely Material Design.
Drupe - Next generation contact manager and dialer.
digiKam - Professional Photo Management with the Power of Open Source
Simple Contacts - Contact lens prescriptions from home