Vistanita Twin2Die is tool to find duplicated files. It uses byte-to-byte comparison so the duplicated files is exactly have same content.Vistanita Twin2Die support large file over 2GB.

DSynchronize is a stand-alone utility that let you periodically synchronize two or more folders in a LAN.
Is also possible to specify the time and the day on which the sync have to run and to create some filters.
There is also an option to add the date and time of the sync to the name of the folder, to obtain a series of backups, classified by date and time.
Optionally Real-Time sync is available.

JCOM Clock Synchronizer is a utility that helps you keep your system time always accurate by synchronizing it with the highest precision atomic clock servers on the Internet using the Network Time Protocol. You can also use the program as a local time server on your corporate intranet, having other software synchronize time with it. Time Synchronizer is very user friendly and features attractive skinnable interface that can be easily customized.

Comparing and synchronizing directories, including sub-directories and files. It is particularly useful on mobile computers, when installing new software and exchanging data.

The Reload turns any computer into a time-traveling machine, enabling smooth, failure-free operation and easy maintenance of a single computer or hundred of computers simultaneously. Traveling into the past and back, or switching between different configurations - takes only a few seconds. Take snapshots on-the-fly in less than 10 sec, Snapshot size is less than 1% of the HDD space, add/delete snapshots, Instant Recovery and more

CarbonFolder is a fast and easy in use data synchronization utility, which allows the user to synchronize data in different folders located in home PC and local network. The utility features a simple interface designed as a step-by-step wizard, which is clear to anyone and lets users perform synchronization in seconds. What?s more, the program saves any newly created task for the next launch. Supports Windows 98/Me/NT/2000/2003/XP/Vista.

WinMerge is a tool for visual difference display and merging, for both files and directories. WinMerge has Unicode support, Flexible syntax coloring editor, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages.

Use this program to load MP3 files from your PC to your MP3 Player. As long as your MP3 Player appears as a drive when connected to your PC, you can synchronize your files.

Use this program to keep track of and merge the most recent versions of your files from any device or computer. Keep your files updated by automatically synchronizing multiple copies of individual files. This tool is useful if you do work at home and the office. Folder differences / comparisons are made visible to the user before synchronization. Sync process done safely through simple wizard. This tool is the easiest file merge software around.

WinMerge is a tool for visual difference display and merging, for both files and directories. WinMerge has Unicode support, Flexible syntax coloring editor, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages.