Comparison of file synchronization software
This is a list of file synchronization software for which there are Wikipedia articles.
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 | Only client needed | Protocol layer | Application layer | Delta copying |
| Conduit | Python | Linux, FreeBSD | GPL | 2010 | Synchronizes files, website, network apps | |||||||||||
| DirSync Pro | Java | Windows, macOS, Linux | GPLv3 | 2018 | sym-links, filter, metadata, contents, auto-sync | |||||||||||
| FreeFileSync | C++ | Windows, macOS, Linux | GPL | last GPL version 12.5 Jul 21, 2023 | Older version had OpenCandy adware/malware, but now funded by donations. Since Version 13 license for business usage needed | |||||||||||
| iFolder | C#, Mono | Windows, macOS, Linux, Solaris | GPL | 2010 | ||||||||||||
| Kubo | Go | Windows, macOS, Linux | GPL | 2022 | Noise/TCP and QUIC/UDP | Libp2p | ||||||||||
| 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, FreeBSD Clients: Windows, macOS, Linux, FreeBSD, Android, iOS, Blackberry | AGPLv3 / proprietary | 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 | ||||||||||||
| 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 | 2023 | 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. | In alpha version since 2021 | - | |||||||||
| rsync | C in a Unix-Linux shell | Windows, macOS, Linux, BSD | GPL v3 | 2025 | using --delete | using --backup and a time-stamped --suffix | Client and server operation. Multiple comparison criteria. | , but can run in either direction | TCP | SSH, Rsh | ||||||
| Seafile community edition | C99, Python | Server: Linux, Raspbian, Windows Clients: Linux, macOS, Windows, Android, iOS. | AGPLv3 + Apache License 2.0 | 2020 | Android and iOS mobile clients | |||||||||||
| SparkleShare | C# | Windows, macOS, Linux, Android, iOS | GPL v3 and LGPL | 2017 | ||||||||||||
| SymmetricDS | Java | Java SE | GPL | 2018 | Plug-in APIs for customization | |||||||||||
| Synchronizer | 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. 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 | Only client needed | Protocol layer | Application layer | Delta copying |
Freeware
This is a comparison of the freeware 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 | Windows, OS X, Linux, FreeBSD, Android, iOS | Resilio, Inc. | Distributed peer-to-peer sync., working also offline in a LAN | ||||||||
| Briefcase | 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 | Windows | Microsoft | , recycle bin only | Sync. local folders | via OS | ||||||
| Windows Live Mesh | Windows, 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 | 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 | 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 | 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 | 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 | Windows, OS X, Ubuntu, iOS, Android | |||||||||||||||
| Wuala | Windows, OS X, Debian, Ubuntu, Android, iOS | |||||||||||||||
| ZumoDrive | 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. |