Alternatives to OggSync for all platforms with any license

DAVx5

Sync your contacts, calendars and tasks. Two-way sync: Manage and synchronize address books, calendars and task lists with a single app. Secure & reliable:...

Commercial $ $ $ Open Source Android Android Tablet
CalDAV Calendar CardDAV Cloud sync ... Multiple languages Support for WebDAV Add a feature

28 Like
EteSync

Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and...

Commercial $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet BSD iPad Self-Hosted F-Droid Software as a Service (SaaS)
Android Sync End-to-End Encryption Client side encryption Sync Contacts ... Activity history Sync Contacts Contacts Encrypted backups Calendar Sync Add a feature

18 Like
AkrutoSync

AkrutoSync automatically and privately syncs Outlook PC contacts, calendar, tasks and notes direct with any Android, Windows phone, iPhone or iPad. Keeps information out...

Commercial Windows Android iPhone Android Tablet Windows Phone ... iPad
Ad-free Sync Contacts Calendar Sync Synchronization Add a feature

27 Like
Outlook CalDav Synchronizer

Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, Horde or any other CalDAV or CardDAV server. Supported Outlook...

Free Open Source Windows Microsoft Office Outlook GitHub
CalDAV Calendar CardDAV Cloud sync ... Group collaboration Calendar Sync Support for WebDAV Add a feature

5 Like
Outlook Google Calendar Sync

Offers calendar synchronisation between Outlook and Google, including attendees and reminders. Completely free, no install necessary, works behind web proxies and...

Free Open Source Windows
Calendar Apps that Sync with Google Calendar Portable Calendar Sync ... Synchronization 2 way sync Add a feature

5 Like
GO Contact Sync Mod

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...

Free Open Source Windows
Sync Contacts Calendar Sync Add a feature

16 Like
SyncMe

Copy, move, sync and backup your mp3, pictures and documents over WiFi, cellular VPN or wired network to your computer, laptop or NAS device.

Freemium Android Android Tablet
No features added Add a feature

2 Like
PhoneCopy

One of the world's largest and most popular multiplatform services for backup/synchronization of contacts and photos from a mobile.

Free Mac Windows Web Android iPhone ... S60 Android Tablet iPad Blackberry 10 KaiOS
Backup IPhone Backup Remote desktop SMS/Text Message Backup ... Synchronization Wireless Add a feature

10 Like
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Calendar Sync +

This utility synchronizes Outlook calendar and task list entries to a Google calendar, vice versa, and both ways. Create profiles to sync multiple calendars. Modify sync...

Free Open Source Windows
Exchange Apps that Sync with Google Calendar Calendar Sync Add a feature

8 Like
Funambol

Funambol is the easiest way to keep your phone contacts and pictures in sync with your other mobile phones, tablets, and computers. Your contacts are secured in your...

Free Open Source Mac Windows Web Windows Mobile Android ... iPhone Java Mobile S60 Blackberry
Backup Cloud sync Contacts Add a feature

13 Like