The 2.1 version of Xclean for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The bundle id for Xclean for Mac is ch.bitcom.mac.xclean.
The application lies within Security Tools, more precisely Personal Security. The following versions: 1.6 and 1.4 are the most frequently downloaded ones by the program users.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free software for Mac OS X was originally designed by Saxer BITcom Systems. The latest version of Xclean can be installed on Mac OS X 10.9 or later. The common filename for the program's installer is xclean.zip.
From the developer:
Xclean
Do you own confidential or secret data for your company, army or organisation on your Macintosh? Get BITcom Xclean and protect yourself now. BITcom Xclean is a disk cleaning utility to shred deleted files from your disk images by a special military grade method. With BITcom Xclean, no Spyware or unfriendly people can restore deleted files! It's freeware and available for Apple Mac OS X only.
You may want to check out more Mac applications, such as XCleaner, which might be related to Xclean.