List of file synchronization softwares

Short description: Wikimedia list article

## Contents

* 1 Glossary
* 2 Free & Open Source
* 3 Freeware
* 4 Commercial
* 5 See also
* 6 References
* 7 Further reading

## Glossary

Platform
Operating system & / or software platform like Java SE or .NET.
Conflict detection
Detect if an operation may result in data loss. See File Synchronization
Renames/moves
Propagate renaming/moving of a file/directory. This saves bandwidth for remote systems but increases the analysis duration. Commonly done by calculating and storing hashs of files to detect if two files with different names, edit dates, etc., have identical contents. Programs which do not support it, will behave as if the originally-named file/directory has been deleted and the newly named file/directory is new and transmit the "new" file again.
Version control
Can revert to a precedent version of a file/directory.
Scheduling or service
Run automatically (via a scheduler or as a system service), or manually for each sync.
Online storage
Online file storage option and type
NAS
Can sync. with NAS shares.

## Free & Open Source

Name | Programming language | Platform | License | Stable version | Portable | Detect conflict | Renames or moves | Propagate deletes | Revision control | Scheduling or service | Other info | Bidirectional | Protocol layer | Application layer | Delta copying

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Conduit | Python | Linux, FreeBSD | GPL | 2010[1] | No |  |  |  |  | Yes | Synchronizes files, website, network apps
DirSync Pro | Java | Java SE | GPLv3 | 2018[2] | Yes | Yes | No |  | Yes (creates backup files) | Yes (native + via OS) | sym-links, filter, metadata, contents, auto-sync
FreeFileSync | C++ | Windows, macOS, Linux | GPL | 2021[3] | Yes (Donation Edition)[4] | Yes[5] | Yes[5] | Yes[5] | Yes (versioning + recycler)[5] | Yes | Older version had OpenCandy Adware/malware, but now funded by donations.[6][7]
iFolder | C#, Mono | Windows, macOS, Linux, Solaris | GPL | 2010 | No | Yes (centralized database) | Yes (files, not folders) |  |  |  |
InterPlanetaryFileSystem | Go  | Windows, macOS, Linux  | GPL  | 2020[8] |  | Yes  |  |  | No (Planned)[9] |  |
luckyBackup | C++  | Windows, macOS, Linux, FreeBSD | GPLv3 | 2018[10] | Yes |  |  |  |  | Yes | Uses rsync backend
Nextcloud | PHP, C++, JavaScript[11] | Server: Linux, FreeBSD
Clients: Windows, macOS, Linux, FreeBSD, Android, iOS, Windows Phone | AGPLv3 | 2021 | Yes | Yes | Yes | Yes[12] | Yes | Yes | Fork of ownCloud
OneSync | C#  | Windows | GPL | 2012[13] | No | Yes | Yes |  |  | No |
ownCloud community edition | PHP, C++, JavaScript[14] | Server: Linux, FreeBSD
Clients: Windows, macOS, Linux, FreeBSD, Android, iOS, Blackberry | AGPLv3 (Server Edition) / proprietary (Enterprise Edition) | 2021 | Yes | Yes | Yes | Yes[15] | Yes | Yes | external storage support; encryption
Pydio Open source home  | Server: PHP, Python, C++
Clients: JS, C#, Swift, Java  | Windows, macOS, Linux, Android, iOS  | AGPLv3  | 2017 | Yes | Yes | Yes |  | Yes (Git[16]) | Yes |
rclone | Go | Linux, Windows, macOS, FreeBSD, NetBSD, OpenBSD, Plan9, Solaris \- Intel/AMD-64, Intel/AMD-32, ARM-32, ARM-64, MIPS-Big-Endian, MIPS-Little-Endian | MIT | 2021 | Yes | Yes | Yes | Yes | Yes | Yes (via OS) | Supports over 50 cloud, protocol and virtual backends including S3 buckets, Google Drive, Microsoft OneDrive, and other high latency file storage. Capabilities include sync, cache, encrypt, compress and mount.
rsync | C in a Unix-Linux shell  | Windows, macOS,[17] Linux,[18][19] BSD | GPL v3 | 2020 | Yes | Yes | No | Yes using --delete | Yes using --backup and a time-stamped --suffix | Yes (via OS) | client & server operation. Multiple comparison criteria (date, check-sum). | No | TCP | SSH, Rsh | Yes
Seafile community edition | C99, Python[20] | Server: Linux, Raspbian, Windows
Clients: Linux, macOS, Windows, Android, iOS.[21] | AGPLv3 (Server) + Apache License 2.0 (Client) | 2020 | No | Yes | Yes | Yes | Yes | Yes (via Seafile Client) | Android and iOS mobile clients
SparkleShare | C#  | Windows, macOS, Linux, Android, iOS | GPL v3 and LGPL | 2017 | Yes | Yes | No |  | Yes (Git[22]) |  |
SymmetricDS | Java  | Java SE | GPL | 2018 | Yes | Yes | Yes |  | No | Yes | plug-in APIs for customization
Synchronizer (krusader) |  | Windows, macOS, Linux | GPL v2 | 2017 | No | Yes | No |  | No | No |
Syncthing | Go | Windows, macOS, Linux, Android, BSD, Solaris | MPL v2 | 2021 | Yes | Yes | Yes | Yes | Yes | Yes | Distributed peer-to-peer sync
Synkron | C++  | Windows, macOS, Linux | GPL v2 | 2011[23] | Yes | Yes | No | Yes | Yes | Yes |
Unison |  | Windows, macOS, Linux | GPL | 2021 | Yes | Yes | Yes | Yes | Yes | Yes | Uses rsync backend | Yes | TCP | SSH, socket (insecure)[24] | Yes
Name | Programming language  | Platform | License | Last version | Portable | Detect conflict | Renames or moves | Propagate deletes | Revision control | Scheduling or service | Other info | Bidirectional | Protocol layer | Application layer | Delta copying

## Freeware

This is a comparison of the freeware (proprietary software release free of charge) file synchronization software.

Name | Operating system | Vendor | Online storage | Remote desktop | Prior file versions, revision control | Comments | Portable | Detect rename | Detect move | Scheduling | Full duplex transfer

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Microsoft ActiveSync | Windows | Microsoft | No | No | ? | Syncs mobile devices |  |  |  |  |
Resilio Sync (formerly BitTorrent Sync) | Windows, OS X, Linux, FreeBSD, Android, iOS | Resilio, Inc. | No | No | Yes (previous versions moved to archive folder) | Distributed peer-to-peer sync, working also offline in a LAN | No | Yes | Yes | Pro only[25] | Yes
Briefcase (part of Windows) (removed in Windows 10 build 14942[26]) | Windows | Microsoft | No | No | ? |  |  |  |  |  |
Cobian Backup | Windows | CobianSoft | No | No | Yes, trash folder | Backup software with folder synchronization feature; remote management; Shadow Copy | No | No | No | Yes |
Windows Mobile Device Center | Windows | Microsoft | No | No | ? | Syncs mobile devices; successor to Microsoft ActiveSync |  |  |  |  |
Microsoft Sync Framework | Windows | Microsoft | ? | No | ? | Syncs files, data, services; a framework, not a tool |  | Yes | Yes | - |
Microsoft SyncToy (discontinued January 2021) | Windows | Microsoft | No | No | No, recycle bin only | Sync local folders | No | Yes | Yes | via OS | No
Windows Live Mesh (discontinued 13 February 2013) | Windows (Vista and greater), Windows Mobile, OSX | Microsoft | Yes | Yes | No, recycle bin only | Sync folders, online storage | No | Yes | ? | No, syncs whenever it is online | Yes
OmniGroup OmniPresence | OSX, OmniGroup software for iOS, open source framework available | OmniGroup | No | No | No, via local Time Machine backup only | Sync local folders via OmniSync or WebDAV server but not to the server itself | No | ? | ? | No, syncs whenever it's online and not paused | Yes
Windows Live Sync (discontinued 31 March 2011) | Windows, OSX | Microsoft | No, browsing only | No | No, recycle bin only | Sync folders, browse devices from website, remote access; was Microsoft FolderShare, 20,000 file limit | No | Yes | Yes | No, syncs whenever it's online | ?

## Commercial

This is a comparison of commercial software in the field of file synchronization. These programs only provide full functionality with a payment. As indicated, some are trialware and provide functionality during a trial period; some are freemium, meaning that they have freeware editions.

Name  | Operating system  | Freeware version  | Portable  | Encrypts files  | Detect conflict  | File lock  | Open file support  | Revision control  | Detect rename  | Detect move  | Full duplex transfer  | Propagate deletes  | Case sensitive  | Delta copying (block level transfer)  | LAN Sync

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@MAX SyncUp | Windows | Limited | No |  | Yes | Yes | Yes |  | No | No |  | Yes |  | Yes | Yes
Allway Sync | Windows | Limited | Yes | Yes | Yes |  | Yes | Yes | No | No | Yes | Yes |  |  | Yes
AIMstor

(discontinued)

| Windows | Limited | Yes |  | Yes | Yes | Yes | Yes through VSS | Yes | Yes | Yes | Yes | Case
preserving
only |  |
Argentum Backup | Windows | No | Yes |  |  |  | No | Yes |  |  |  |  | Yes |  |
BackupAssist | Windows | No |  |  | No |  | Yes |  |  |  |  |  |  |  |
Backup4all  | Windows | Limited | Yes | Yes | No |  | Yes | Yes |  |  |  | Yes |  | Yes |
Beyond Compare | Windows, OS X, Linux | Limited | Yes | No | Yes |  | Yes | Yes |  |  |  | Yes |  |  |
Box Sync  | Windows,[27] OS X,[27] Android, BlackBerry, iOS[27] | Limited |  |  | Yes | ? | ? | Yes | ? | ? | ? | Yes | ? |  | No
ChronoSync | OS X | No | No | Yes | Yes | Yes | Yes (only with APFS) | Yes | No | No | Yes | Yes | Yes | No | Yes
Cloudike | Windows, OS X, iPhone, Android | Yes | No |  | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes |  |
CloudMe | Windows, OS X, Linux, iPhone, Android, Google TV, Samsung TV | Yes | No |  | Yes | ? | ? | No | Yes | No | ? | ? | Yes | ? | No
Cubby - Free

(discontinued)

| Windows, OS X | No | No |  | Renames older and keeps both | No |  | Yes | Yes | Yes | ? | Yes |  | No | No
Cubby - Pro

(discontinued)

| Windows, OS X | No | No |  | Renames older and keeps both | No |  | Yes | Yes | Yes | ? | Yes |  | LAN Sync only | Yes
Distributed Storage  | Windows, Linux | No |  |  | Yes | Yes | Yes |  |  |  |  |  |  |  |
Dmailer Sync (discontinued)  | Windows | Yes |  |  |  |  |  |  |  |  |  |  |  |  |
Dropbox | Windows, OS X, Linux, Android, iPhone, BlackBerry | Yes | No |  | Yes | ? | ? | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
Easy2Sync for Files | Windows | Yes |  |  | Yes |  |  | Yes | Yes, for folders |  |  |  |  |  |
Egnyte | Windows, OS X, Linux, Android, iPad, iPhone | No | No |  | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Case
preserving
only | Yes | Yes
Gladinet | Windows, OS X, Android, iPad, iPhone, Windows RT, Blackberry | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
GoDrive | Windows, Mac OS X, Linux, Android, iOS | Limited | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | Yes | ? | Yes
GoodSync | Windows, OS X, Android, iPad, iPhone, USB flash drive | Yes | Yes | Yes, beta | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
IBM Connections | Windows, OS X, Android, iOS | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No
MediaFire | Windows, OS X, Android, iOS | Yes |  | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No
Name  | Operating system  | Freeware version  | Portable  | Encrypts files  | Detect conflict  | File lock  | Open file support  | Revision control  | Detect rename  | Detect move  | Full duplex transfer  | Propagate deletes  | Case sensitive  | Delta copying (block level transfer)  | LAN Sync
Mega | Windows, OS X, Linux, Android, iPhone, BlackBerry | Yes |  | Yes | Yes |  |  | Yes | Yes | Yes | Yes | Yes | Yes | No[28] | No[29]
RepliWeb | Windows, Linux | No |  |  | Partial |  |  | Yes | Yes | Yes | Yes | Yes | Yes |  |
Resilio Sync (ex. BitTorrent Sync) | Windows, OS X, Linux, Android, iOS, Windows Phone, Amazon Kindle Fire, FreeBSD | Limited | No | Yes, optional | No | No | No | Yes | Yes | Yes | Yes | Yes |  | Yes | Yes
Robocopy  | Windows | Yes | No |  | No |  |  |  |  |  |  |  |  |  |
SecureSafe | Windows, OS X, Android, iOS | Yes |  |  | Yes | No |  | No | No | No | No | Yes | Yes | No | No
SpiderOak | Windows, OS X, Debian, Fedora, Slackware, Android, iOS | No |  |  | No |  |  | Yes[30] | No |  | No |  |  | Yes[31] | Yes
ShareFile | Windows, OS X, Android, iPhone | Yes |  | Yes |  |  |  | Yes[32] | Yes |  | Yes |  | Yes |  | Yes
SugarSync  | Windows, OS X, Android, BlackBerry, iPhone, Windows Mobile | No | No |  | Yes |  |  | Yes[33] | Yes | Yes |  | Yes |  |  |
Syncdocs | Windows, web app | Beta
versions
only | Yes |  | Yes | No | Yes | Yes | Yes | Yes | Microsoft Word only[34] | Yes |  |  |
Synchronize It!  | Windows | No |  |  | No |  |  |  |  |  |  |  |  |  |
Syncplicity | Windows, OS X, Android, iPhone, Windows Mobile | Yes |  |  | Yes |  |  | Yes |  |  | Yes | Yes |  | No[35] | No
Tonido | Windows, OS X, Linux, Android, BlackBerry, iPhone, Windows Phone | Yes | Yes |  | Yes | No | Yes | No | Yes | Yes | Yes | Yes |  |  |
Tresorit | Windows, OS X, Linux, Android, BlackBerry, iOS, Windows Phone | Limited | Yes | Yes | Yes |  | Yes, for Windows | Yes |  |  |  | Yes | Yes | No |
Ubuntu One (discontinued 2 April 2014)  | Windows, OS X, Ubuntu, iOS, Android[36] | Yes |  |  |  |  |  |  |  |  |  |  |  |  |
Wuala (discontinued)  | Windows, OS X, Debian, Ubuntu, Android, iOS | Yes |  | Yes |  |  |  |  |  |  |  |  |  |  |
ZumoDrive (discontinued)  | Windows, OS X, Linux, Android, iPhone, Palm webOS | Yes |  |  | Yes |  |  | Yes |  |  |  |  |  |  |
Zetta.net  | Windows, OS X, Linux | No |  |  | Yes |  | Yes | Yes | Yes | Yes |  | Yes | Yes, Preserve file name case & file metadata | Yes | Yes
Name  | Operating system  | Freeware version  | Portable  | Encrypts files  | Detect conflict  | File lock  | Open file support  | Revision control  | Detect rename  | Detect move  | Full duplex transfer  | Propagate deletes  | Case sensitive  | Delta copying (block level transfer)  | LAN Sync

## See also

## References

1. ↑ "Index of /Sources/Conduit/0.3/". http://ftp.gnome.org/pub/GNOME/sources/conduit/0.3/.
2. ↑ "DirSync Pro". https://dirsyncpro.org/news.html.
3. ↑ "FreeFileSync". https://www.freefilesync.org/archive.php.
4. ↑ "Free File Sync Software". Portable Edition. https://www.stugon.com/free-file-sync-software/. Retrieved 11 January 2018.
5. ↑ 5.0 5.1 5.2 5.3 "Frequently Asked Questions - FreeFileSync". Features. Archived from the original on 28 September 2017. https://web.archive.org/web/20170928133716/https://www.freefilesync.org/faq.php#features. Retrieved 28 September 2017.
6. ↑ Akerlund, Geoff (June 2014), FreeFileSync comes bundled with the OpenCandy malware., Backup Review, http://www.backupreview.com/freefilesync-review/, retrieved 2 February 2018
7. ↑ FFS FAQ, https://freefilesync.org/faq.php#advertisement, retrieved 27 June 2018
8. ↑ "Releases · ipfs/Go-ipfs". https://github.com/ipfs/go-ipfs/releases.
9. ↑ "Versioning: Commit + Repo Datastructures · Issue #23 · ipfs/notes" (in en). https://github.com/ipfs/notes/issues/23.
10. ↑ "LuckyBackup - backup and sync utility". http://luckybackup.sourceforge.net/news.html.
11. ↑ "Nextcloud". https://github.com/nextcloud. Retrieved 18 January 2017.
12. ↑ "Yes on desktop, but NO on mobile - Issue 19". https://github.com/nextcloud/android/issues/19.
13. ↑ "Google Code Archive - Long-term storage for Google Code Project Hosting". https://code.google.com/archive/p/onesync/downloads.
14. ↑ "ownCloud". https://github.com/owncloud. Retrieved 2015-07-13.
15. ↑ "The synchronization process". https://doc.owncloud.org/desktop/latest/architecture.html#the-synchronization-process.
16. ↑ "Files versionning". 2017-05-14. https://pydio.com/en/docs/v8/files-versionning.
17. ↑ "rsync Backups on a Mac". http://www.rsync.net/resources/howto/mac_rsync.html. Retrieved 2016-01-24.
18. ↑ "Arch Linux packages". https://www.archlinux.org/packages/. Retrieved 2015-09-16.
19. ↑ "Software packages in "vivid"". http://packages.ubuntu.com/vivid/allpackages. Retrieved 2015-09-16.
20. ↑ "haiwen/seafile". https://github.com/haiwen/seafile. Retrieved 2015-07-13.
21. ↑ "Seafile clients". https://www.seafile.com/en/download/. Retrieved 2019-11-14.
22. ↑ Bons, Hylke (2019-02-12), Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.: hbons/SparkleShare, https://github.com/hbons/SparkleShare, retrieved 2019-02-14
23. ↑ "Synkron 1.6.2 released - Synkron Documentation". https://sites.google.com/site/synkrondocumentation/news/synkron162.
24. ↑ https://www.cis.upenn.edu/~bcpierce/unison/download/releases/stable/unison-manual.html#socketmeth
25. ↑ "Sync 2.x change log". https://help.getsync.com/hc/en-us/articles/206216855-Sync-2-x-change-log.
26. ↑ "Briefcase - Add to New Context Menu in Windows 10". http://www.tenforums.com/tutorials/24426-briefcase-add-new-context-menu-windows-10-a.html. Retrieved 2018-10-13.
27. ↑ 27.0 27.1 27.2 "What Is the Box Policy for Browser and OS Support? – Box Help". Box. https://support.box.com/hc/en-us/articles/200519838. Retrieved 2014-08-28.
28. ↑ "MEGA - Developers - Documentation". https://mega.nz/doc.
29. ↑ "Will MEGAsync use peer-to-peer transfers to achieve faster syncing between computers in the same local area network?". https://help.mega.nz/megasync/general.html#will-megasync-use-peer-to-peer-transfers-to-achieve-faster-syncing-between-computers-in-the-same-local-area-network. Retrieved 2020-07-11.
30. ↑ Susie Ochs (2009-06-11). "Online Storage Battle: Which Cloud Back-Up Service Reigns Supreme?". MacLife. http://www.maclife.com/article/reviews/online_storage_battle_which_cloud_backup_service_reigns_supreme?page=0,1. Retrieved 2009-11-04.
31. ↑ "Does SpiderOak backup the whole file every time it changes?". SpiderOak. https://spideroak.com/faq/questions/7/does_spideroak_backup_the_whole_file_every_time_it_changes/. Retrieved 24 February 2013.
32. ↑ Citrix ShareFile. "File Versioning". Citrix ShareFile. http://support.citrixonline.com/en_US/ShareFile/help_files/SF030020?Title=File+Versioning.
33. ↑ "See How SugarSync Stacks up to the Competition". SugarSync (formerly called SharpCast). https://www.sugarsync.com/sync_comparison.html. Retrieved 2010-01-13.
34. ↑ "Syncdocs feature list". Syncdocs Web. http://www.syncdocs.com/google-sync-features-and-details. Retrieved 14 April 2011.
35. ↑ "Why Delta Sync Doesn't Matter". 2009-07-20. https://www.syncplicity.com/blog/why-delta-sync-doesn-t-matter. Retrieved 2014-05-21.
36. ↑ "Ubuntu One:Downloads". Ubuntu One. Archived from the original on 9 August 2011. https://web.archive.org/web/20110809233713/https://one.ubuntu.com/downloads/. Retrieved 14 April 2013.

## Further reading

* Kerner, Sean (2008-02-13). "Get In Sync with File Syncing Software". Tom's Guide. http://www.tomsguide.com/us/file-sync-backup,review-1060.html. Retrieved 2009-07-01.
* Kerner, Sean (2008-02-27). "Syncing Software Redux: More Options". Tom's Guide. http://www.tomsguide.com/us/file-syncing-software,review-1074.html. Retrieved 2009-07-01.

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