4D - 4D is a relational database management system and IDE.
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.
FileMaker Pro - FileMaker Pro Advanced includes all the features of FileMaker Pro plus a set of advanced tools so you can rapidly build powerful custom apps.
Drupe - Next generation contact manager and dialer.
Philasmicos Contacts 2 - Philasmicos Contacts is a professional business relationships management system for macOS X.
Simple Contacts - Contact lens prescriptions from home