FCorp ID Book is described as 'ID Book is a handy, easy to use application specially designed to offer users a simple address book' and is a Contact Manager in the Office & Productivity category. There are more than 25 alternatives to FCorp ID Book for a variety of platforms, including Windows, Android, iPhone, Online / Web-based and Linux. Most alternatives are Contact and Personal Information Managers. The best alternative is Google Contacts, which is free. Other great apps like FCorp ID Book are Kontact - KMail (Free, Open Source), EssentialPIM (Freemium), Contacts+ (Freemium) and Kontact (Free, Open Source).
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.
KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
Contacts is a flexible and convenient place to store information for everyone you know. It’s easy to import names, numbers, addresses, and photos from Facebook, LinkedIn, Google, and even Microsoft Exchange.
This app replaces the stock dialer and contacts manager on Android devices. It's a sophisticated, feature-rich contacts manager that includes social network integration for your contacts (Facebook, Twitter, Linkedin & Foursquare).