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Files - Synchronization (19)

DirSync Pro v1.53

billon on 9 Mar 2018
  • 3MB (uncompressed)
  • Released on 7 Mar 2018
  • Suggested by karl_karlsson

DirSync Pro is a small but powerful utility for file and folder synchronization. The program can be used to synchronize the content of one or many folders recursively. The program can make both real-time sync (as it happens) as well as incremental updates.

Cross-platform (Java) with clients available for Mac and Linux. Alternatively, a WinPenPack version is also available.

Runs on: WinXP / Vista / Win7 / Win8 / Win10 / Wine
Writes settings to: Application folder
Dependencies: Java JRE 1.7.0 or above is needed to run DirSync Pro.
Reported to work with jPortable with the jPortable Launcher.
Stealth: ? Yes
Unicode support: Yes
License: Freeware/Open Source
How to extract: Download the ZIP package and extract to a folder of your choice. Launch DirSyncPro.exe.
Similar/alternative apps: WinDataReflector
What's new? See:
Latest comments
webfork on 2016-05-22 04:59

Although I've been more focused on Bvckup 2 for Windows (due to the delta copy feature), DirSync Pro comes in handy on occasions and is far and away my favorite sync program on Mac.

smaragdus on 2016-05-22 06:15

I also like and use DirSync Pro- it is packed with features and has a great preview (Analyze).

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PathSync v0.4 BETA 2

billon on 8 Dec 2017
  • 111KB (uncompressed)
  • Released on 28 Dec 2015
  • Suggested by dasfx

PathSync synchronizes the contents of two directories. You can choose to synchronize unidirectionally (local to remote, or remote to local), or bidirectionally. Various synchronization options are available, including files to ignore and filename mask. It also provides nifty statistics during the synchronization, so that the user is never wondering how much time is left.

Runs on: WinNT / Win2K / WinXP / Vista / Win7 / Win8 / Win10
Writes settings to: Application folder
Stealth: ? Yes
Unicode support: Yes
License: GPL v2
How to extract: Download the installer, extract pathsync.exe to a folder of your choice and launch.
What's new?
  • Preliminary unicode filename support (via UTF-8).
  • Uses more of WDL for file read/write.
  • Fixed bug in fn matching for directories.
  • Updated to latest WDL.
Latest comments
Maciej Tomczak on 2010-06-07 10:37

How does the PathSync compare the files? Are their hashes/content compared? What happens when Ignore files size/dates are on? Cheers.

DG on 2011-09-23 15:45

My only issue with this program is for some reason now it keeps making these "PSYN_TMP" files for most of the files I'm syncing, effectively doubling the size of the folder. Also some of the original files seem to be corrupted afterwards. Any idea why it's doing this & how to stop it?

I am Baas on 2012-01-02 08:33

PathSync v0.4 BETA (3/6/10) available. Tested portable.

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X-Unison v2.40.102 [rev3]

webfork on 17 May 2016
  • 37MB (uncompressed)
  • Released on 30 May 2013
  • Suggested by dasfx

Unison is a synchronization tool that allows two collections of files and directories to be stored on different hosts or different disks on the same host. Unlike simple mirroring or backup utilities, the program can deal with updates to both replicas of a distributed directory structure. Updates that do not conflict are copied automatically while conflicting updates are detected and shown.

The program is cross-platform (OS X and Linux). X-Unison is a wrapper program for Unison.

Runs on: Win95 / Win98 / WinME / WinNT / Win2K / WinXP
Writes settings to: Application folder
Unicode support: Yes
License: GPL
How to extract: Download the ZIP package and extract to a folder of your choice. Launch PortableUnison.exe.

Note: a blank console window is always visible when you run Unison. This is explained on the author website.
Latest comments
Midas on 2013-05-24 11:28

Much needed portable (both as in platform independent as in system independent) utility for advanced users. Softpedia download links is dead, but BigD has a working solution (after proper launcher batch script customization) at the link in the previous post. :)

Pony on 2013-11-19 22:12

Download link results in "404 - page not found"

I am Baas on 2013-11-19 23:27


Give X-Unison a try

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FreeFileSync Portable v6.2 Updated

webfork on 27 Sep 2020
  • 9MB (uncompressed)
  • Released on 5 Feb 2014
  • Suggested by bassiliin

FreeFileSync is a folder comparison and synchronization tool. It supports filters, file sizes greater than 4GB, delete-before-copy for large sync operations, and creation of batch files for automated synchronization. After compare process (by date or content) operations can be customized on a file-by-file basis.

FreeFileSync Portable is in Format, automatically adjusting paths.


  • The latest version of this program is adware (offers for installation of 3rd party software), may not be open source, and locks itself to a specific path (only the drive letter may change), but a more recent version of this program (v7.9) can be made portable. Note that the update check will run whenever the runtime path changes even if you disable it.
  • FreeFileSync versions 6.3 and later can not be run from a portable menu or scheduling software due to a unfixed bug in the app.

Runs on: Win2K / WinXP / Vista / Win7 / Win8 / Win10
Writes settings to: Application folder
Stealth: ? Yes
Unicode support: Yes
License: GPLv3.
How to extract: Download the self-extracting EXE to a folder of your choice. Launch FreeFileSyncPortable.exe.
Similar/alternative apps: WinDataReflector, FolderSync, DirSync Pro, DSynchronize, Zback
Latest comments
wagner reatto on 2017-01-25 12:36

I liked this utility very much, but it stopped being portable to non-donors (being a donor in Brazil is complicated for many reasons). I looked for other similar utilities. Here I found fastcopy, I found it interesting. I had the happiness of finding SyncFolders, which is also portable. You can find it here I think could add it here.

Midas on 2017-01-25 13:07

@wagner reatto: SyncFolders has been suggested at the Forum (see where software garners more attention and testing. É só uma dica aqui do sítio... ;)

wagner reatto on 2017-01-25 13:17

thank you, Midas, i'll see.
(obrigado, Midas, verei).

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Bvckup 2 v68 (beta)

webfork on 19 May 2018
  • 589KB (uncompressed)
  • Released on 31 Dec 2014
  • Suggested by Midas

Bvckup 2 is a backup/synchronization tool that uses "delta" copy methods, meaning it only transfers changes to a file or files rather than recopying the entire set. This is frequently faster, saves bandwidth for network backups and can help flash media live longer by reducing the overall number of disk writes. The program can do real-time, periodic or manual backups, and also functions as a file copier that can pause and resume both local and network transfers.

Note: this program is an unsupported beta, meaning that the author provides a commercial version of the program that includes support. A previous, freeware version with fewer features is available from

Runs on: WinXP / Vista / Win7 / Win8 / Win10
Writes settings to: Application folder
Unicode support: Yes
License: Freeware (unsupported beta)
How to extract:
  1. Download the setup program according to your OS and install with defaults
  2. Copy bvckup2.exe to a folder of your choice
  3. Uninstall program
  4. Create an empty text file in this folder with the following content:

    SET conf-dir="%~dp0Config"
    START "" bvckup2.exe -c %conf-dir%

  5. Rename the text file bvckup2-portable.bat
  6. Launch bvckup2-portable.bat
  7. Under Options - Preferences - Software updates, select "Don't check don't remind" as this program will always suggest downloading the latest version, which is not freeware.

Note: Over time that the contents of the "Config" can grow to substantial size. If it grows too large for your storage device, start a new profile and delete the old folder.
Similar/alternative apps: AutoVer, FolderSync
Latest comments
Ding-A-Ling on 2019-06-03 18:27


Yeah, sure I tested it.

Trashcan? Despite being logged in, I cannot see one.

From, I quote:
'Basically if you have a non-zero rank and you are logged in, you will find a "trash can" icon at the end of every comment.'

I infer that my rank is too lowly to even be allowed to take out the trash.

Ding-A-Ling on 2019-06-03 18:33

Midas on 2019-06-04 06:28

If two ranked users click that trashcan icon, it will be deleted, too. I already did. :)

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