ArX is the version control under the category of distributed control and it handles archived files. It keeps track on the user activity and the history of changes with the comments to know what the changes are made and why it is made. Even it stores all the types of file the text files get more advantage when compared to binary files.
As it is optimistic locking model the corrections can be made by multiple users at the same time. In case of necessity, the file locking also works. The latest version of ArX is available for Download.