An Open Source Online and Offline Sync Tool. OneSync is a synchronization tool which makes effective use of portable and free online storage, synchronize files/folders between computers.
With OneSync, your personal files stored in your computer will be easily shared and synced with another computer in several ways: syncing through portable drive, thumb drive, Windows Shared Folders or even Dropbox (Online Sync)!

OneSync allows 2 folders to be synchronized through a common intermediate storage such as a flashdrive. Therefore, it enables the user to perform synchronization between 2 different PCs. The common intermediary storage is not limited to the flashdrive but could be any location accessible from both PCs such as a shared folder over the LAN and even a synchronized DropBox folder.

OneSync Features:
Sync in 3 steps:
1. First step: Right click folder that you would like to sync and choose "Sync with OneSync".
2. Second step: Name your syncjob and choose your intermediate storage.
3. Last step: Click sync and done!

2-way synchronization:
1. Both source directory and target directory will be balanced in final stage.
2. Light-weight sync: Only synchronize files that have been modified to reduce sync time.
3. Sync through thumbdrive and DropBox

Sync Preview:
* Learn what is going to be changed before syncing a job.

Sync Jobs management:
1. Able to view and sync all existing jobs.
2. Rename sync jobs.
3. Change intermediate storage.

Logs Report:
1. Detailed logs: Record everything what OneSync did.
2. Presented in HTML.
3. Drag-and-Drop input

Requirements:
* NET framework

The license of this software is Free, you can free download and free use this file sync software.