Cardhop - The Mac contacts app you'll want to use.
Hive - Seamless project management and collaboration for your team.
The Contact Guru - Managing your contact list so you don't have to
Sup! Standup Bot - The complete stand-up and follow-up bot
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.
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.