Synchronization of Calendars, Contacts, etc.

Sure, many things can be synced with Google. But not everything. And not everybody wants this. Luckily, there are alternatives:

Sync with specific web sites

Sync with Facebook

2025-06-20

UberSync Facebook Contact Sync (4@17,762) 13 5 LastUpdate: 2016-05-25
Contacts+ (3.9@211,091) Ǥ 34 4 Dialer & Kontaktverwaltung incl. Facebook-Sync
Sync.ME: Caller ID & Contacts (3.8@242,078) Ǥ 31 9 Privacy Warning (uploads your entire contact list to their servers)

Sync with Xing

2025-06-20

XING – the right job for you (3.5@51,441) Ǥ 28 4

Sync with LinkedIn

2025-06-20

LinkedIn: Jobs & Business News (4.1@3,241,385) Ǥ 37 8

Sync Bookmarks

2025-06-20

floccus bookmark sync (4.5@178) 5 $Contains no trackers known to us \o/$ Github; via Nextcloud, WebDAV or Google Drive
Xmarks for Dolphin *Premium (3.8@1,305) 0 $Contains no trackers known to us \o/$ LastUpdate: 2015-10-30 Dolphin: 14-day-trial; then yearly subscription fee
GBookmark (3.6@1,094) 7 $Contains no trackers known to us \o/$ LastUpdate: 2021-10-07

Various data-cloud-synchronizers

2025-06-20

EteSync - Secure Data Sync (4.1@366) 18 1 Github; Video Intro 3/2019; End-To-End encrypted sync
Address Book & Contacts Sync (3.8@3,035) Ǥ 18 $Contains no trackers known to us \o/$ LastUpdate: 2019-07-05
PeopleSync Client (3.7@58) 16 $Contains no trackers known to us \o/$ Github
Infomaniak kSync (3.6@189) 22 $Contains no trackers known to us \o/$ GitLab; sync contacts and calendars with Infomaniak's WorkSpace
fruux (3.4@241) 15 $Contains no trackers known to us \o/$ LastUpdate: 2014-06-01 Wikipedia DE | EN; contacts, calendars & todo multi-platform
iContacts (2.8@2,947) Ǥ 23 3

Sync without web sites

2025-06-20

iCal Import/Export CalDAV (4.6@2,214; ~EUR 4.00) Ǥ 21 1
DAVx⁵ – CalDAV CardDAV WebDAV (4.5@3,667; ~EUR 6.00) 19 $Contains no trackers known to us \o/$ / Managed DAVx⁵ for Enterprise (3.6@56) 22 $Contains no trackers known to us \o/$ Github; Video-Howto 2/2018 | 4/2019; Anleitung 2/2021; Anleitung für Posteo | Mailbox.org; Contacts and Calendar sync, e.g. with ownCloud/Nextcloud
GeneralSync (4.4@44) 19 $Contains no trackers known to us \o/$ LastUpdate: 2022-05-01 Thunderbird; PC component required; account on their website required for download
MyPhoneExplorer Client (4.3@43,205) Ǥ 50 2 Video Review 8/2017; Video Walk-Through 7/2017 (DE) | 8/2017 (DE); Wikipedia; Anleitung; requires Windows client; complete remote management
CalendarSync - trial (4.2@321) Ǥ 26 $Contains no trackers known to us \o/$ / CalendarSync - CalDAV and more (4.5@431; ~EUR 9.00) Ǥ 21 $Contains no trackers known to us \o/$
SyncML Client (Contacts only) (4.1@10; ~EUR 4.00) Ǥ 20 $Contains no trackers known to us \o/$ / Synthesis SyncML Client STD (3@41; ~EUR 16.00) Ǥ 22 $Contains no trackers known to us \o/$ / Synthesis SyncML Client PRO (2@29; ~EUR 38.25) Ǥ 25 $Contains no trackers known to us \o/$
ContactSync trial (3.9@87) Ǥ 27 $Contains no trackers known to us \o/$ / ContactSync - CardDAV and more (4.8@193; ~EUR 3.50) Ǥ 23 $Contains no trackers known to us \o/$
BirdieSync for Thunderbird (3.8@328) 21 $Contains no trackers known to us \o/$
DecSync CC (0@0; ~EUR 5.00) 17 $Contains no trackers known to us \o/$ LastUpdate: 2022-01-02 Github; sync between Android devices

Want to sync with your own resources? Maybe with apps you already use on your computer, or even setup an own sync server? For those cases, following products might be worth a look:

Baïkal: CalDAV + CardDAV lightweight server
egroupware
funambol server
horde
Howto: CalDav/CardDav mit Sabre
MyPhoneExplorer: Windows only, with its specific Android App
obexcode
ownCloud – also see: Android without Google 2: ownCloud / Nextcloud
syncevolution
syncgw
Zarafa + epush

Further Readings:

Android mit eigener Cloud synchronisieren (2/2017)
Android without Google 2: ownCloud (8/2014)
Google-Kalender mit Outlook synchronisieren (8/2013 – 3/2019)

2025-06-25

IzzyOnDroid