Synchronizing Files and Folders

Cloudiness

Dropbox-Sync

2019-06-11

Autosync for Dropbox - Dropsync (4.6@34,950) Ǥ 13 / Dropsync PRO Key (4.7@5,408; ~EUR 5.00) Ǥ 1 $Contains no known trackers \o/$ Vorstellung 4/2013 | 1/2014; Short Intro 5/2012; Video Review 8/2013
Dropbox (4.4@1,935,478) Ǥ 19 Vorstellung 4/2014; Review 4/2014
Boxcryptor Classic (4.4@2,730) 5 LastUpdate: 2013-12-03 Vorstellung 6/2012 | 12/2013; Howto Linux 8/2013 (DE); Wikipedia (DE); Encryption for Dropbox
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

2019-06-11

Autosync for MEGA - MegaSync (4.5@1,135) Ǥ 13
MEGA Storage Manager (4.1@3,218) 5 LastUpdate: 2016-12-09

Sync with Box

2019-06-11

Autosync for Box - BoxSync (4.5@961) Ǥ 13
Box (4.3@172,299) Ǥ 18 Kurzvorstellung 2/2012; Vorstellung 1/2014; Phone & Tablet optimized

Sync with Google Drive

2019-06-11

Autosync for Google Drive (4.6@23,061) Ǥ 15
Google Drive (4.4@3,982,839) Ǥ 30 Testbericht 8/2013; Video Review 4/2013; Review 4/2013 | 5/2013
App Sync for GDrive (4.4@357) Ǥ 11 / AppSync for GDrive Pro (4.1@15; ~EUR 1.25) Ǥ 12 LastUpdate: 2017-11-23
Gallery Drive Sync (4.1@2,172) Ǥ 12 LastUpdate: 2017-03-24
Drive Syncrypt (4.1@77) Ǥ 12 LastUpdate: 2016-11-10 with optional encryption (AES 256)
GDrive Lite (3.9@272) 5
GDriveSync (3.8@740) Ǥ 14 / GDriveSync Pro (3.5@71; ~EUR 1.50) Ǥ 12 LastUpdate: 2017-02-08

Various Cloud Syncers

2019-06-12

Qabel (4.6@64) Ǥ 12 LastUpdate: 2017-02-06 Github; encrypted storage; cross-platform
Microsoft OneDrive (4.5@1,310,671) Ǥ 24 Intro 8/2012; Testbericht 8/2013; Vorstellung 2/2014
Degoo Cloud Storage (4.5@417,449) Ǥ 16
JioCloud - Free Cloud Storage (4.5@69,562) Ǥ 36
PhotoSync – transfer and backup photos & videos (4.5@9,109) Ǥ 21 / PhotoSync Bundle Add-On (4.8@1,380; ~EUR 3.00) 0 between phones, tablets and computers/NAS; instantly, on WiFi, or on a specified location
Autosync for OneDrive - OneSync (4.5@6,854) Ǥ 13
Cozy Drive (4.5@498) 8 $Contains no known trackers \o/$ cloud storage or self-hosted
Cloudike (4.5@51) Ǥ 22 Review 12/2013 | 12/2013
Yandex.Disk (4.4@128,689) Ǥ 23 Wikipedia (EN)
pCloud: Free Cloud Storage (4.4@19,683) Ǥ 15 Video Review 10/2013; Intro 11/2013; Review 4/2014
CloudMAX (4.4@2,974) Ǥ 16
Upvise - CRM Jobs Forms (4.4@211) Ǥ 26 Almost an Office-Suite for small businesses
SanDisk Memory Zone (4.3@110,980) Ǥ 18 Video Review 6/2012; SugarSync, Box, Picasa, Dropbox, Google Docs, SkyDrive, Facebook (FAQ)
Tresorit (4.3@3,170) 9 $Contains no known trackers \o/$
Copy (4.2@16,908) 10 LastUpdate: 2016-01-20 Vorstellung 4/2013
IDrive Online Backup (4.2@7,400) Ǥ 24
MediaFire (4.1@76,439) 6 LastUpdate: 2017-11-01 Kurzvorstellung 1/2013
SugarSync (4.1@16,444) Ǥ 15
GMX Cloud (4.1@4,619) Ǥ 13
Synchronize Ultimate (4.1@2,466) Ǥ 17 Vorstellung 7/2015; synchronize from, to and between different clouds
Fiabee (4.1@1,006) 6 $Contains no known trackers \o/$ LastUpdate: 2017-03-26
4Sync (4@18,260) Ǥ 23
File Backup, Sync & storage (4@336) Ǥ 14 Files.fm
S3Anywhere (Amazon S3 cloud) (3.6@248) Ǥ 8 / S3AnywherePro (3.8@44; ~EUR 4.75) Ǥ 7 $Contains no known trackers \o/$

Sync with your own Cloud

Synchronisation with support for multiple protocols

2019-06-11

FolderSync (4.4@19,568) Ǥ 16 / FolderSync Pro (4.5@19,420; ~EUR 3.25) Ǥ 14 Intro 5/2012; Testbericht 6/2012; 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) (4.3@28,109) 6 / AndFTPPro (4.2@945; ~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 (3.6@1,733; ~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")

2019-06-11

Sweet Home WiFi Picture Backup (4.4@2,314) 6 $Contains no known trackers \o/$ LastUpdate: 2016-09-01 Camera photos/videos only?
SMBSync2 (4.4@416) 11 $Contains no known trackers \o/$
SyncMe Wireless (4.3@4,955) Ǥ 10
AndSMB (samba client) (4@4,829) 6 / AndSMBPro (4@116; ~EUR 4.75) 1 $Contains no known trackers \o/$ LastUpdate: 2013-08-08

Synchronisation via SSH

2019-06-11

Cactus Secure Sync (3@10) 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

2019-06-11

AndFTP (your FTP client) (4.3@28,109) 6 / AndFTPPro (4.2@945; ~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

2019-06-12

Cozy Drive (4.5@498) 8 $Contains no known trackers \o/$ 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@3,743) 8 requires Desktop component; available from homepage for Linux, Mac, Windows, Raspi
Seafile (4.1@1,538) 14 Github; Vorstellung 4/2013 | 10/2013 | 3/2014; Tutorial 3/2014 (DE)
Cirrus for owncloud (4.1@482) 14 $Contains no known trackers \o/$ LastUpdate: 2016-10-13 Github
Nextcloud (4@3,643) Ǥ 23 / Nextcloud dev (0@0) 22 Github; Kurzvorstellung 8/2016
OwnCloud Client (4@704) 15 LastUpdate: 2014-07-22
Pydio (3.9@714) 3 $Contains no known trackers \o/$ LastUpdate: 2016-05-12
Easy DAV for ownCloud (3.9@182) 7 LastUpdate: 2016-03-11
ownCloud (3.8@10,090; ~EUR 0.75) 16 Github; Testbericht 12/2013
Unison (3.4@34) 2 $Contains no known trackers \o/$ requires root
Unison for Android (2.8@26) Ǥ 12 LastUpdate: 2017-02-10

Peer2Peer

2019-06-12

Syncthing-Fork (4.7@51) 14 $Contains no known trackers \o/$ Github
Syncthing (4.4@3,224) 10 $Contains no known trackers \o/$ 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 (4.4@3,018) Ǥ 12
Syncthing Lite (3.2@36) 3 $Contains no known trackers \o/$
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)

2019-06-17

IzzyOnDroid