This is a list of notable file synchronization software.

Free and open-source

Name Programming language Platform License Last version Portable Detect conflict Renames or moves Propagate deletes Version control Scheduling or service Other Bidirectional Protocol layer Application layer Delta copying Copyparty Python Linux, FreeBSD, macOS, Windows MIT 2026 (via OS) Conduit Python Linux, FreeBSD GPL 2010 Synchronizes files, website, network apps DirSync Pro Java Windows, macOS, Linux GPLv3 2018 (creates backup files) (native + via OS) sym-links, filter, metadata, contents, auto-sync FreeFileSync C++ Windows, macOS, Linux GPL (up to version 12.5) last GPL version 12.5 Jul 21, 2023 (versioning, recycler) Older version had OpenCandy adware/malware, but now funded by donations. Since Version 13 license for business usage needed (two-way, mirror, update, custom) iFolder C#, Mono Windows, macOS, Linux, Solaris GPL 2010 (centralized database) (files, not folders) Kubo (IPFS) Go Windows, macOS, Linux GPL 2022 (planned) Noise/TCP and QUIC/UDP Libp2p (network-wide de-duplication) luckyBackup C++ Windows, macOS, Linux, FreeBSD GPLv3 2018 Uses rsync backend Nextcloud JavaScript, PHP, Shell, Python, Vue Server: Linux, FreeBSD Clients: Windows, macOS, Linux, FreeBSD, Android, iOS, Windows Phone AGPLv3 2023 Fork of ownCloud ownCloud community edition PHP, Go, JavaScript, Starlark, Shell Server: Linux, FreeBSDClients: Windows, macOS, Linux, FreeBSD, Android, iOS, Blackberry AGPLv3 (server edition) / proprietary (enterprise edition) 2021 External storage support; encryption Pydio open source home Server: PHP, Python, C++ Clients: JS, C#, Swift, Java Windows, macOS, Linux, Android, iOS AGPLv3 2017 (Git) 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 2026 (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, Linux, BSD GPL v3 2025 using using and a time-stamped (via OS) Client and server operation. Multiple comparison criteria (date, check-sum). , but can run in either direction TCP SSH, Rsh Seafile community edition C99, Python Server: Linux, Raspbian, WindowsClients: Linux, macOS, Windows, Android, iOS.AGPLv3 (Server) + Apache License 2.0 (Client) 2020 (via Seafile Client) Android and iOS mobile clients SparkleShare C# Windows, macOS, Linux, Android, iOS GPL v3 and LGPL 2017 (Git) SymmetricDS Java Java SE GPL 2018 Plug-in APIs for customization Synchronizer (krusader) Windows, macOS, Linux GPL v2 2017 Syncthing Go Windows, macOS, Linux, Android, BSD, Solaris, 3rd party app for IPhone MPL v2 2025 Distributed peer-to-peer sync with automatic NAT traversal. Custom topology (star, full-mesh, mixed). Encryption. TCP, QUIC over UDP , block-based copying Synkron C++ Windows, macOS, Linux GPL v2 2011 Unison Mainly OCaml Windows, macOS, Linux GPL 2024 Uses rsync backend TCP SSH, socket Name Programming language Platform License Last version Portable Detect conflict Renames or moves Propagate deletes Version control Scheduling or service Other info Bidirectional Protocol layer Application layer Delta copying

Freeware

This is a comparison of the freeware (proprietary software released free of charge) file synchronization software. Name Operating system Vendor Online storage Prior file versions, revision control Comments Scheduling Microsoft ActiveSync Windows Microsoft Syncs mobile devices Resilio Sync (formerly BitTorrent Sync) Windows, OS X, Linux, FreeBSD, Android, iOS Resilio, Inc. (via archive folder) Distributed peer-to-peer sync., working also offline in a LAN Briefcase (part of Windows) (removed in Windows 10 build 14942) Windows Microsoft Cobian Backup Windows CobianSoft , trash folder Backup software with folder synchronization feature; remote management; Shadow Copy Windows Mobile Device Center Windows Microsoft Syncs mobile devices; successor to Microsoft ActiveSync Microsoft Sync Framework Windows Microsoft Syncs files, data, services; a framework, not a tool Microsoft SyncToy (discontinued January 2021) Windows Microsoft , recycle bin only Sync. local folders via OS Windows Live Mesh (discontinued 13 February 2013) Windows (Vista and greater), Windows Mobile, OSX Microsoft , recycle bin only Sync. folders, online storage , syncs whenever it is online OmniGroup OmniPresence OSX, OmniGroup software for iOS, open source framework available OmniGroup , via local Time Machine backup only Sync. local folders via OmniSync or WebDAV server but not to the server itself , syncs whenever it's online and not paused Windows Live Sync (discontinued 31 March 2011) Windows, OSX Microsoft , browsing only , recycle bin only Sync. folders, browse devices from website, remote access; was Microsoft FolderShare, 20,000 file limit , 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 transfer LAN sync. P2P sync. @MAX SyncUp Windows Allway Sync Windows AIMstor (discontinued) Windows through VSS Argentum Backup Windows BackupAssist Windows Beyond Compare Windows, OS X, Linux Box Sync Windows, OS X, Android, BlackBerry, iOS Cloudike Windows, OS X, iPhone, Android, HarmonyOS CloudMe Windows, OS X, Linux, iPhone, Android, Google TV, Samsung TV Distributed Storage Windows, Linux Dmailer Sync (discontinued) Windows Dropbox Windows, OS X, Linux, Android, iPhone, BlackBerry Easy2Sync for Files Windows , for folders Egnyte Windows, OS X, Linux, Android, iPad, iPhone Gladinet Windows, OS X, Android, iPad, iPhone, Windows RT, Blackberry GoDrive Windows, Mac OS X, Linux, Android, iOS GoodSync Windows, OS X, Android, iPad, iPhone, USB flash drive , beta IBM Connections Windows, OS X, Android, iOS MediaFire Windows, OS X, Android, iOS 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 transfer LAN sync. P2P sync. Mega Windows, OS X, Linux, Android, iPhone, BlackBerry RepliWeb Windows, Linux Resilio Sync (ex. BitTorrent Sync) Windows, OS X, Linux, Android, iOS, Windows Phone, Amazon Kindle Fire, FreeBSD , optional Robocopy Windows SecureSafe Windows, OS X, Android, iOS SpiderOak Windows, OS X, Debian, Fedora, Slackware, Android, iOS ShareFile Windows, OS X, Android, iPhone SugarSync Windows, OS X, Android, BlackBerry, iPhone, Windows Mobile Syncdocs Windows, web app Synchronize It! Windows Syncovery Windows, OS X, Linux, FreeBSD Syncplicity Windows, OS X, Android, iPhone, Windows Mobile Tonido Windows, OS X, Linux, Android, BlackBerry, iPhone, Windows Phone Tresorit Windows, OS X, Linux, Android, BlackBerry, iOS, Windows Phone , for Windows Ubuntu One (discontinued 2 April 2014) Windows, OS X, Ubuntu, iOS, Android Wuala (discontinued) Windows, OS X, Debian, Ubuntu, Android, iOS ZumoDrive (discontinued)Windows, OS X, Linux, Android, iPhone, Palm webOS Zetta.net Windows, OS X, Linux , Preserve file name case & file metadata 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 transfer LAN sync. P2P sync.

Glossary

See also

References

Further reading