AllSync is described as 'Do you have thousands of friends? Can’t remember them all? Keep all your contacts within easy reach with AllSync!' and is an app in the Office & Productivity category. There are more than 25 alternatives to AllSync for a variety of platforms, including Online / Web-based, Windows, iPhone, iPad and Mac. The best alternative is Google Contacts, which is free. Other great apps like AllSync are Contacts+ (Freemium), fruux (Freemium), Kontact - KAddressBook (Free, Open Source) and Contacts (Paid).
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.
It supports large variety of services, including NextCloud, Kolab, Google Contacts, Microsoft Exchange (EWS) or any standard CalDAV server. Features: Powerful search - KAddressBook has configurable filters and powerful search capabilities.
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.
With Memotoo, sync all you want ! Sync and share your personal datas (bookmarks, address book, calendar, files, ...) with Memotoo.com to find them from any computer connected to Internet. - Dont lose your data: if you lose or change your mobile phone, ...
HeadReach is a prospecting tool designed to help sales, marketing, and data research people find valuable business contacts. With HeadReach you can find targeted leads with their real emails, social profiles, and contextual data.