Redmine - Flexible project management web application

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.

Basecamp - A simple and elegant project management system.

Drupe - Next generation contact manager and dialer.

Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

Simple Contacts - Contact lens prescriptions from home