EteSync is described as '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 server) is open source' and is an app in the office & productivity category. There are more than 25 alternatives to EteSync for a variety of platforms, including Windows, Web-based, Mac, Android and iPhone apps. The best EteSync alternative is Nextcloud, which is both free and Open Source. Other great apps like EteSync are DAVx5, Sync-in, iCloud and Baïkal.
spaRSS DecSync is a fork of spaRSS which adds synchronization using DecSync. To start synchronizing, all you have to do is synchronize the directory DecSync located in the primary external storage, using for example Syncthing.
AkrutoSync automatically and privately syncs Outlook PC contacts, calendar, tasks and notes direct with any Android, Windows phone, iPhone or iPad. Keeps information out of cloud.
United States
DAViCal is a server for calendar sharing. It is an implementation of the CalDAV protocol which is designed for storing calendaring resources on a remote shared server. It is a repository for calendar, todo, journal and vcard entries to be accessed via CalDAV clients such as...
OggSync’s mission is to keep mobile users in sync with the scheduling demands of a busy lifestyle, keeping all calendars in one manageable view! Whether it is a users’ Google or Outlook calendar, OggSync syncs to a users mobile phone quickly and automatically, allowing users see...
Outlook4Gmail is a must-have Outlook add-in that provides easy synchronization of your Outlook and Gmail accounts (contacts and appointments).
Xandikos is a lightweight yet complete CardDAV/CalDAV server that backs onto a Git repository.
Synchronize Microsoft Outlook between computers using external USB device, shared network folder or FTP. Sync Outlook contacts, calendars (appointments, meetings and all events), tasks, notes and e-mails without a server. Share Outlook folders on your laptop with your desktop.
United States
Never neglect your friends again. See how long it's been since you last hung out. Stay in touch with friends who are far away. Get a reminder whenever you lose touch with someone.
SyncMate syncs data on Mac with Android and iOS devices, Windows services (Outlook, Office 365 Business and Office 365 Home accounts), other Macs, Google, Dropbox and iCloud accounts, any mounted storage devices, MTP devices.
United States
ContactHive is your all-in-one contact manager and personal CRM that helps you organize, track, and grow your personal and professional relationships with ease.
Belgium
EU
United Kingdom
Netherlands
