OsaSync is described as 'is the ultimate solution to synchronize Outlook content between multiple computers!' and is an app in the Office & Productivity category. There are eight alternatives to OsaSync for a variety of platforms, including Windows, Online / Web-based, iPhone, iPad and Mac. The best alternative is AkrutoSync. It's not free, so if you're looking for a free alternative, you could try Kontact - KAddressBook or OLContactSync. Other great apps like OsaSync are Contacts (Paid), Spanning Sync (Paid), NuevaSync (Paid) and SYNCING.NET (Paid).
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.
Spanning Sync 3 is the one app that syncs both iCal with Google Calendar and Address Book with Google Contacts. It gives you even better control over how your information syncs, and is now up to 10x faster!
SYNCING.NET offers powerful Data and Outlook synchronization for individuals, professionals and businesses. By providing secure PC synchronization, integrated file and Outlook sharing, users can access all their data at any time and any place.