Synchronizing Files and Folders

Cloudiness

Dropbox-Sync

2021-01-17

Autosync for Dropbox - Dropsync (4.7@36,699) Ǥ 13 4 / Dropsync PRO Key (4.5@5,400; ~EUR 7.00) Ǥ 1 $Contains no trackers known to us \o/$ Vorstellung 1/2014
Boxcryptor Classic (4.4@2,730) 5 $Contains no trackers known to us \o/$ LastUpdate: 2013-12-03 Wikipedia (DE); Encryption for Dropbox
Dropbox: Cloud Storage to Backup, Sync, File Share (4.2@2,045,851) Ǥ 19 4 Vorstellung 4/2014; Review 4/2014
DropSpace Plugin For Tasker (4.2@87) LastUpdate: 2013-11-07
DropSpace (3.8@579) Ǥ 8 LastUpdate: 2016-08-26
SafeMonk (3.4@60) 4 $Contains no trackers known to us \o/$ LastUpdate: 2017-07-05

Sync with Mega

2021-01-17

Autosync for MEGA - MegaSync (4.3@2,646) Ǥ 13 4
MEGA Storage Manager (4.1@3,218) 5 $Contains no trackers known to us \o/$ LastUpdate: 2016-12-09

Sync with Box

2020-12-30

Box (4.6@190,499) Ǥ 22 4 Vorstellung 1/2014; Phone & Tablet optimized
Autosync for Box - BoxSync (4.6@1,092) Ǥ 13 4

Sync with Google Drive

2020-12-30

Autosync for Google Drive (4.5@32,210) Ǥ 15 4
App Sync for GDrive (4.5@359) Ǥ 11 3 LastUpdate: 2018-01-07
Google Drive (4.3@7,068,596) Ǥ 31 2
Gallery Drive Sync (4.2@2,248) Ǥ 12 3 LastUpdate: 2017-06-13
Drive Syncrypt (3.9@87) Ǥ 12 2 LastUpdate: 2016-11-10 with optional encryption (AES 256)
GDriveSync (3.8@868) Ǥ 14 3 LastUpdate: 2018-01-08 / GDriveSync Pro (3.6@72; ~EUR 1.50) Ǥ 12 1 LastUpdate: 2017-02-08
Remote File Manager (3.6@288) Ǥ 8 3

Various Cloud Syncers

2021-01-17

spryCloud (5@14) Ǥ 24 $Contains no trackers known to us \o/$
Yandex.Disk (4.8@278,363) Ǥ 28 6 Wikipedia (EN)
PhotoSync – transfer and backup photos & videos (4.6@12,633) Ǥ 20 4 / PhotoSync Bundle Add-On (4.9@2,353; ~EUR 4.00) 0 $Contains no trackers known to us \o/$ between phones, tablets and computers/NAS; instantly, on WiFi, or on a specified location
Autosync for OneDrive - OneSync (4.6@10,245) Ǥ 13 4
Cloudike (4.6@52) Ǥ 23 6
Microsoft OneDrive (4.5@2,038,162) Ǥ 26 5 Vorstellung 2/2014
GMX Cloud (4.5@6,474) Ǥ 12 2
Cozy Drive (4.5@837) 7 $Contains no trackers known to us \o/$ cloud storage or self-hosted
Degoo - 100 GB Free Cloud Storage (4.3@519,519) Ǥ 22 9
JioCloud - Free Cloud Storage (4.3@91,181) Ǥ 37 8
Copy (4.2@16,908) 10 LastUpdate: 2016-01-20
Fiabee (4.2@1,019) 6 $Contains no trackers known to us \o/$ LastUpdate: 2017-03-26
luckycloud: Sicherer Cloudspeicher aus Deutschland (4.2@14) 13 $Contains no trackers known to us \o/$ Vorstellung 3/2020
SanDisk Memory Zone (4.1@124,220) Ǥ 28 12 SugarSync, Box, Picasa, Dropbox, Google Docs, SkyDrive, Facebook (FAQ)
pCloud: Free Cloud Storage (4.1@27,843) Ǥ 14 5 Review 4/2014
Tresorit (4.1@3,751) 9 $Contains no trackers known to us \o/$ Vorstellung 3/2020
Upvise - CRM Jobs Forms (4.1@245) Ǥ 26 1 Almost an Office-Suite for small businesses
CloudMAX (4@4,931) Ǥ 23 7
4Sync (3.8@22,071) Ǥ 25 9
MediaFire (3.7@89,862) 6 6 LastUpdate: 2017-11-01
Synchronize Ultimate (3.7@2,868) Ǥ 17 2 Vorstellung 7/2015; synchronize from, to and between different clouds
SugarSync (3.6@16,516) Ǥ 16 2
IDrive Online Backup (3.5@7,983) Ǥ 25 8
BucketAnywhere for S3 (3.5@264) Ǥ 8 1 / BucketAnywherePro for S3 (3.7@49; ~EUR 4.75) Ǥ 8 $Contains no trackers known to us \o/$
Files.fm cloud storage and 5GB free file sharing (3.4@374) Ǥ 15 5 Files.fm

Sync with your own Cloud

Synchronisation with support for multiple protocols

2021-01-17

FolderSync (4.4@23,427) Ǥ 20 4 / FolderSync Pro (4.3@20,850; ~EUR 4.75) 18 1 Test 9/2015; Vorstellung 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@29,710) 8 1 / AndFTPPro (3.8@1,000; ~EUR 4.75) 1 $Contains no trackers known to us \o/$ LastUpdate: 2014-08-10 FTP, FTPS; Pro only: SCP, SFTP
Titanium Media Sync (3@1,737; ~EUR 3.25) Ǥ 9 $Contains no trackers known to us \o/$ LastUpdate: 2017-06-30 FTP, SFTP, FTPS, Dropbox
SyncTool (0@0) 8 $Contains no trackers known to us \o/$ LastUpdate: 2018-09-06 Github; FTP, ownCloud/Nextcloud

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

2021-01-17

SMBSync2 (4.4@1,544) 11 $Contains no trackers known to us \o/$ Github
Sweet Home WiFi Picture Backup (4.2@2,439) 8 $Contains no trackers known to us \o/$ Vorstellung 4/2017 | 3/2018; Camera photos/videos only?
SyncMe Wireless (3.8@5,311) Ǥ 10 1 LastUpdate: 2018-10-01
AndSMB (samba client) (3.2@5,132) 7 1 / AndSMBPro (3.8@137; ~EUR 4.75) 0 $Contains no trackers known to us \o/$

Synchronisation via SSH

2021-01-17

Cactus Secure Sync (2.8@9) 4 $Contains no trackers known to us \o/$ LastUpdate: 2014-05-17
Syncopoli (0@0) 10 $Contains no trackers known to us \o/$ GitLab; rsync client

Synchronisation via FTP

2021-01-17

AndFTP (your FTP client) (3.8@29,710) 8 1 / AndFTPPro (3.8@1,000; ~EUR 4.75) 1 $Contains no trackers known to us \o/$ LastUpdate: 2014-08-10 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

2021-01-17

Cozy Drive (4.5@837) 7 $Contains no trackers known to us \o/$ cloud storage or self-hosted
DataNow (4.4@21) 9 $Contains no trackers known to us \o/$ LastUpdate: 2016-09-14
Tonido File Access Share Sync (4.2@4,041) 6 1 requires Desktop component; available from homepage for Linux, Mac, Windows, Raspi
ownCloud (4.1@11,646; ~EUR 0.75) 17 $Contains no trackers known to us \o/$ Github
Seafile (4.1@1,657) 13 $Contains no trackers known to us \o/$ Github; Vorstellung 3/2014; Tutorial 3/2014 (DE)
OwnCloud Client (4@704) 15 LastUpdate: 2014-07-22
GoodSync Explorer (4@575) Ǥ 14 4
Easy DAV for ownCloud (3.9@182) 7 $Contains no trackers known to us \o/$ LastUpdate: 2016-03-11
Cirrus for owncloud (3.7@503) 14 $Contains no trackers known to us \o/$ LastUpdate: 2016-10-13 Github
Nextcloud (3.6@6,726) Ǥ 24 1 / Nextcloud dev (5@2) 23 Github; Kurzvorstellung 8/2016
Unison (3.3@35) 2 $Contains no trackers known to us \o/$ LastUpdate: 2019-06-09 requires root
Pydio (2.8@769) 6 $Contains no trackers known to us \o/$
Unison for Android (2.6@29) Ǥ 12 4 LastUpdate: 2017-02-10

Peer2Peer

2021-01-01

Syncthing (4.5@4,276) 13 $Contains no trackers known to us \o/$ Github; cross platform, i.e. also Windows, Mac and Linux; PC Setup Video 9/2016 | 1/2019; Video how Syncthing works 6/2018
Syncthing-Fork (4.5@243) 16 $Contains no trackers known to us \o/$ Github
Resilio Sync (4.1@4,471) Ǥ 14 4
Syncthing Lite (3.2@50) 1 $Contains no trackers known to us \o/$ LastUpdate: 2019-01-13
Rsync Server (0@0) 6 $Contains no trackers known to us \o/$ Github
SyncMemories (0@0) 3 Github; local via USB; focus on photos
git-annex: cross-platform

Further Readings:

Sichere Cloud-Dienste: Alternativen zu Google Drive und Dropbox (5/2020)
Android-Apps ersetzen: Cloud-Dienst (3/2020)
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)

2021-01-17

IzzyOnDroid