Synchronizing Files and Folders

Cloudiness

Dropbox-Sync

2020-02-22

Autosync for Dropbox - Dropsync (4.7@35,739) Ǥ 12 / Dropsync PRO Key (4.5@5,419; ~EUR 7.00) Ǥ 1 $Contains no known trackers \o/$ Vorstellung 4/2013 | 1/2014; Video Review 8/2013
Boxcryptor Classic (4.4@2,730) 5 LastUpdate: 2013-12-03 Vorstellung 12/2013; Howto Linux 8/2013 (DE); Wikipedia (DE); Encryption for Dropbox
Dropbox: Cloud Storage to Backup, Sync, File Share (4.3@1,989,943) Ǥ 19 Vorstellung 4/2014; Review 4/2014
DropSpace Plugin For Tasker (4.2@87) 0 LastUpdate: 2013-11-07
DropSpace (3.8@579) Ǥ 8 LastUpdate: 2016-08-26
SafeMonk (3.4@60) 4 LastUpdate: 2017-07-05 Intro 7/2013
FolderSync - Backup & Restore (3.2@56) 8 $Contains no known trackers \o/$ LastUpdate: 2017-02-08 / FolderSync Pro - Back&Restore (4@4; ~EUR 1.25) 8 $Contains no known trackers \o/$ LastUpdate: 2017-02-08

Sync with Mega

2020-02-22

Autosync for MEGA - MegaSync (4.6@1,794) Ǥ 13
MEGA Storage Manager (4.1@3,218) 5 LastUpdate: 2016-12-09

Sync with Box

2020-02-12

Box (4.6@180,322) Ǥ 20 Vorstellung 1/2014; Phone & Tablet optimized
Autosync for Box - BoxSync (4.6@1,022) Ǥ 12

Sync with Google Drive

2020-02-12

Autosync for Google Drive (4.7@26,189) Ǥ 14
App Sync for GDrive (4.5@359) Ǥ 11 LastUpdate: 2018-01-07 / AppSync for GDrive Pro (4.1@15; ~EUR 1.25) Ǥ 12 LastUpdate: 2017-11-23
Google Drive (4.4@4,976,385) Ǥ 30 Testbericht 8/2013; Video Review 4/2013; Review 4/2013 | 5/2013
Gallery Drive Sync (4.2@2,208) Ǥ 12 LastUpdate: 2017-03-24
Drive Syncrypt (4@80) Ǥ 12 LastUpdate: 2016-11-10 with optional encryption (AES 256)
GDriveSync (3.9@804) Ǥ 14 LastUpdate: 2018-01-08 / GDriveSync Pro (3.6@72; ~EUR 1.50) Ǥ 12 LastUpdate: 2017-02-08
Remote File Manager (3.6@288) Ǥ 8

Various Cloud Syncers

2020-02-22

spryCloud (5@15) Ǥ 23 $Contains no known trackers \o/$
Yandex.Disk (4.8@189,618) Ǥ 23 Wikipedia (EN)
Microsoft OneDrive (4.6@1,540,163) Ǥ 24 Testbericht 8/2013; Vorstellung 2/2014
PhotoSync – transfer and backup photos & videos (4.6@10,560) Ǥ 21 / PhotoSync Bundle Add-On (4.9@1,811; ~EUR 4.00) 0 between phones, tablets and computers/NAS; instantly, on WiFi, or on a specified location
Autosync for OneDrive - OneSync (4.6@8,323) Ǥ 12
Cozy Drive (4.6@653) 7 $Contains no known trackers \o/$ cloud storage or self-hosted
Cloudike (4.6@52) Ǥ 22 Review 12/2013 | 12/2013
Degoo Cloud Storage (4.4@457,142) Ǥ 15
JioCloud - Free Cloud Storage (4.4@78,634) Ǥ 34
pCloud: Free Cloud Storage (4.4@23,675) Ǥ 14 Video Review 10/2013; Intro 11/2013; Review 4/2014
GMX Cloud (4.4@5,542) 10
SanDisk Memory Zone (4.3@116,551) Ǥ 23 SugarSync, Box, Picasa, Dropbox, Google Docs, SkyDrive, Facebook (FAQ)
CloudMAX (4.3@4,347) Ǥ 16
Upvise - CRM Jobs Forms (4.3@225) Ǥ 26 Almost an Office-Suite for small businesses
Copy (4.2@16,908) 10 LastUpdate: 2016-01-20 Vorstellung 4/2013
Tresorit (4.2@3,413) 9
Fiabee (4.2@1,009) 6 $Contains no known trackers \o/$ LastUpdate: 2017-03-26
MediaFire (4@80,026) 6 LastUpdate: 2017-11-01 Kurzvorstellung 1/2013
4Sync (3.9@20,329) Ǥ 24
Synchronize Ultimate (3.9@2,661) Ǥ 17 Vorstellung 7/2015; synchronize from, to and between different clouds
SugarSync (3.6@16,446) Ǥ 16
IDrive Online Backup (3.6@7,624) Ǥ 25
BucketAnywhere for S3 (3.6@253) Ǥ 8 / BucketAnywherePro for S3 (3.7@48; ~EUR 4.75) Ǥ 7 $Contains no known trackers \o/$
Files.fm cloud storage and 5GB free file sharing (3.5@353) Ǥ 11 Files.fm

Sync with your own Cloud

Synchronisation with support for multiple protocols

2020-02-22

FolderSync (4.2@20,910) Ǥ 16 LastUpdate: 2018-05-29 / FolderSync Pro (4@19,889; ~EUR 3.25) Ǥ 14 LastUpdate: 2018-05-16 Test 1/2013 | 9/2015; Vorstellung 3/2013 | 3/2014; FTP, FTPS, SFTP, Samba, WebDAV, Dropbox, Amazon S3, SkyDrive, SugarSync, Ubuntu One, Box.net, LiveDrive, HiDrive, NetDocuments, … Pro with Tasker support
AndFTP (your FTP client) (3.8@28,668) 6 / AndFTPPro (3.6@976; ~EUR 4.75) 1 $Contains no known trackers \o/$ LastUpdate: 2014-08-10 Test 10/2013; FTP, FTPS; Pro only: SCP, SFTP
Titanium Media Sync (2.8@1,736; ~EUR 3.25) Ǥ 9 LastUpdate: 2017-06-30 FTP, SFTP, FTPS, Dropbox
SyncTool (0@0) 8 $Contains no known trackers \o/$ Github; FTP, ownCloud/Nextcloud

Synchronisation via Samba (aka SMB aka "Windows-Shares")

2020-02-22

SMBSync2 (4.3@725) 12
Sweet Home WiFi Picture Backup (4.1@2,413) 8 $Contains no known trackers \o/$ Vorstellung 4/2017 | 3/2018; Camera photos/videos only?
SyncMe Wireless (3.9@5,092) Ǥ 10
AndSMB (samba client) (3.2@4,935) 6 / AndSMBPro (3.8@129; ~EUR 4.75) 1 $Contains no known trackers \o/$ LastUpdate: 2013-08-08

Synchronisation via SSH

2020-02-22

Cactus Secure Sync (2.8@9) 4 $Contains no known trackers \o/$ LastUpdate: 2014-05-17
Syncopoli (0@0) 8 $Contains no known trackers \o/$ GitLab; rsync client

Synchronisation via FTP

2020-02-22

AndFTP (your FTP client) (3.8@28,668) 6 / AndFTPPro (3.6@976; ~EUR 4.75) 1 $Contains no known trackers \o/$ LastUpdate: 2014-08-10 Test 10/2013; FTP, FTPS; Pro only: SCP, SFTP
FSync - FTP Client (3.2@164) 8 LastUpdate: 2015-03-12 ftp(s), gestures, encryption, zip/unzip, sync, clipboard, …

Synchronisation with own Desktop/Server components

2020-02-22

Cozy Drive (4.6@653) 7 $Contains no known trackers \o/$ cloud storage or self-hosted
DatAnywhere (4.5@60) 14 $Contains no known trackers \o/$ LastUpdate: 2017-03-26
DataNow (4.4@21) 9 LastUpdate: 2016-09-14
Tonido File Access Share Sync (4.3@3,883) 8 requires Desktop component; available from homepage for Linux, Mac, Windows, Raspi
ownCloud (4.1@10,915; ~EUR 0.75) 16 Github; Testbericht 12/2013
GoodSync Explorer (4.1@518) Ǥ 14
Nextcloud (4@4,729) Ǥ 24 / Nextcloud dev (0@0) 23 Github; Kurzvorstellung 8/2016
OwnCloud Client (4@704) 15 LastUpdate: 2014-07-22
Seafile (3.9@1,604) 13 Github; Vorstellung 4/2013 | 10/2013 | 3/2014; Tutorial 3/2014 (DE)
Easy DAV for ownCloud (3.9@182) 7 LastUpdate: 2016-03-11
Cirrus for owncloud (3.7@492) 13 $Contains no known trackers \o/$ LastUpdate: 2016-10-13 Github
Pydio (3.4@733) 3
Unison (3.3@35) 2 $Contains no known trackers \o/$ requires root
Unison for Android (2.7@27) Ǥ 9 LastUpdate: 2017-02-10

Peer2Peer

2020-02-14

Syncthing-Fork (4.6@122) 15 Github
Syncthing (4.4@3,620) 11 Github; cross platform, i.e. also Windows, Mac and Linux; PC Setup Video 9/2016 | 1/2019; Video how Syncthing works 6/2018
Resilio Sync (4.3@3,692) Ǥ 12
Syncthing Lite (3.3@43) 1 $Contains no known trackers \o/$
git-annex: cross-platform

Further Readings:

Best Cloud Storage (6/2019)
Top 20 Best Cloud Storage and File Sync Apps for Android, iPhone and iPad (5/2019)
Best cloud storage (1/2019)
The 5 Best File Syncing Apps (11/2018)
Die Qual der Cloud – Dropbox, Drive, HiDrive, OneDrive… (3/2015)
Cloud Storage Showdown: Google Drive, Dropbox, iCloud and More Compared (8/2014)
You’ve uploaded files to Dropbox. But just how private are they? (3/2014)
Syncing files between computers and tablet? (2/2014)

2020-02-23

IzzyOnDroid