Apps similar to Contacts Sync include Fossify Contacts, which is free and open source. Other options are Google Contacts, OpenContacts, ConnectYou and Simple Contacts. You can choose from more than 10 Contact Managers like Contacts Sync for Android, Windows, the web, iPhone and self-hosting.
Introducing Fossify Contacts - the next evolution in contact management. Poised to redefine how you manage your contacts, our app combines simplicity with advanced features, tailored for both personal and professional use.
India
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.
United States
Manage contacts. Keep your contacts private and secured with OpenContacts independent and local database.
A simple light app for creating and managing your contacts from any source. The contacts can be stored on your device only, but also synchronized via Google, or other accounts.
Israel
The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server. Easily sync contacts from various devices with your Nextcloud and edit them online.
People in Windows 10 puts all the ways you connect with all your friends, family, colleagues, and acquaintances in one place, so it’s faster than ever to keep in touch.
United States
GO Contact Sync Mod is an open source tool to synchronize your Microsoft Outlook contacts with Google Mail. With this tool you do not need to enter your contact details more than once, always have the latest version everywhere: in Outlook and in Google.
gSyncit™ is a Microsoft Outlook add-in that allows for the synchronization of Outlook calendars, contacts, notes, and tasks with your Google account.
United States
Funambol is the easiest way to keep your phone contacts and pictures in sync with your other mobile phones, tablets, and computers.
United States
