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

2021-01-12

Sync.ME - Caller ID, Spam Call Blocker & Contacts (4.2@226,655) Ǥ 30 5 Privacy Warning (uploads your entire contact list to their servers)
UberSync (4@17,762) 13 5 LastUpdate: 2016-05-25
Contacts+ (3.9@205,135) Ǥ 30 5 Dialer & Kontaktverwaltung incl. Facebook-Sync
Calendar Sync for Facebook (1.7@9,262) Ǥ 14 3 LastUpdate: 2017-07-15

Sync with Xing

2021-01-11

XING – Your jobs and careers network (3.9@48,682) Ǥ 27 6

Sync with LinkedIn

2021-01-13

LinkedIn: Jobs, Business News & Social Networking (4.4@1,918,675) Ǥ 24 5
Droidin (3.9@2,525) 16 1 LastUpdate: 2013-03-20

Sync Bookmarks

2021-01-12

Xmarks for Premium Customers (3.9@2,186) 6 $Contains no trackers known to us \o/$ LastUpdate: 2016-09-12 / 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 (3.9@1,063) 8 $Contains no trackers known to us \o/$ LastUpdate: 2019-02-15 / GBookmark.Donate (4.7@73; ~EUR 1.50) 8 $Contains no trackers known to us \o/$ LastUpdate: 2019-01-13

Various data-cloud-synchronizers

2021-01-11

EteSync - Secure Data Sync (4.8@120) 16 $Contains no trackers known to us \o/$ Github; Video Intro 3/2019; End-To-End encrypted sync
Sync Contacts Cloud (4.3@2,343) Ǥ 12 2 LastUpdate: 2018-06-28 / iCalendar Sync Cloud (4.3@3,412) Ǥ 12 2 LastUpdate: 2018-07-08
Team Calendar Sync (4.1@302; ~EUR 7.50) Ǥ 19 3 LastUpdate: 2019-04-08 Exchange calendars
Infomaniak Sync (Workspace) (4.1@69) 17 1 GitLab; sync contacts and calendars with Infomaniak's WorkSpace
Address Book & Contacts Sync (3.8@3,025) Ǥ 18 $Contains no trackers known to us \o/$ LastUpdate: 2019-07-05
CardDAV-Sync free (3.7@2,201) 13 3 LastUpdate: 2017-06-24 / SmoothSync for Cloud Contacts (2.2@1,013; ~EUR 3.50) 13 $Contains no trackers known to us \o/$ LastUpdate: 2013-11-04
Mokobi Sync (3.5@44) 19 $Contains no trackers known to us \o/$ LastUpdate: 2017-07-07 contacts and calendar, multi-platform
Synchronize Cloud Contacts (3.2@2,847) Ǥ 17 3
fruux (3@238) 15 $Contains no trackers known to us \o/$ LastUpdate: 2014-06-01 Dienst-Vorstellung 4/2014; Wikipedia DE | EN; contacts, calendars & todo multi-platform
SmoothSync for Cloud Calendar (2.9@2,349; ~EUR 2.50) 13 $Contains no trackers known to us \o/$ LastUpdate: 2014-12-05
Daniel's Plaxo Sync (2.5@75; ~EUR 1.25) 10 $Contains no trackers known to us \o/$ LastUpdate: 2014-10-30
luckyDAV: Kalender und Kontakte synchronisieren (0@0) 15 $Contains no trackers known to us \o/$

Sync without web sites

2021-01-12

DAVx⁵ – CalDAV/CardDAV Client (4.6@2,662; ~EUR 5.00) 17 $Contains no trackers known to us \o/$ / Managed DAVx⁵ – CalDAV/CardDAV for Organizations (3.5@13) 18 $Contains no trackers known to us \o/$ Test 4/2014; Kurzvorstellung 12/2015; Video-Howto 2/2018 | 4/2019; Contacts and Calendar sync, e.g. with ownCloud/Nextcloud
MyPhoneExplorer Client (4.4@40,806) Ǥ 36 2 Video Review 8/2017; Video Demo 12/2015; Vorstellung 3/2014; Video Walk-Through 7/2017 (DE) | 8/2017 (DE); Wikipedia; Anleitung; requires Windows client; complete remote management
ContactSync trial (4.3@63) Ǥ 24 $Contains no trackers known to us \o/$ / ContactSync - CardDAV and more (4.7@168; ~EUR 3.50) Ǥ 23 $Contains no trackers known to us \o/$
SyncML Client (Contacts only) (4.2@12; ~EUR 4.00) Ǥ 20 $Contains no trackers known to us \o/$ / Synthesis SyncML Client STD (3.3@41; ~EUR 16.00) Ǥ 23 $Contains no trackers known to us \o/$ / Synthesis SyncML Client PRO (3.9@28; ~EUR 38.25) Ǥ 26 1
CalendarSync - trial (4.1@189) Ǥ 20 $Contains no trackers known to us \o/$ / CalendarSync - CalDAV and more (4.5@367; ~EUR 9.00) Ǥ 19 $Contains no trackers known to us \o/$
GeneralSync: sync contacts & calendars via W/LAN (4@36) 19 $Contains no trackers known to us \o/$ Thunderbird; PC component required; account on their website required for download
BirdieSync for Thunderbird (3.8@321) 20 $Contains no trackers known to us \o/$
CardDAV-Sync free (3.7@2,201) 13 3 LastUpdate: 2017-06-24 / SmoothSync for Cloud Contacts (2.2@1,013; ~EUR 3.50) 13 $Contains no trackers known to us \o/$ LastUpdate: 2013-11-04
LDAP-Sync NT (3.6@14) 12 $Contains no trackers known to us \o/$ Github
Memotoo sync (3.4@152) 19 $Contains no trackers known to us \o/$ LastUpdate: 2018-03-27 iCalendar, CalDAV, SyncML, vCard, CardDAV, WebDAV, Zimbra, ActiveSync, Microsoft Exchange, and more
Caldav Sync Free Beta (3.3@1,522) 4 $Contains no trackers known to us \o/$ LastUpdate: 2013-12-02
CalDAV-Sync (2.8@3,439; ~EUR 2.50) Ǥ 14 $Contains no trackers known to us \o/$ LastUpdate: 2017-06-27
DecSync CC (0@0; ~EUR 5.00) 16 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
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)

2021-01-17

IzzyOnDroid