Xattr 2.4 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free software for Mac OS X is a product of mlye. Xattr.zip is the common file name to indicate this program's installer. The software lies within System Tools, more precisely File Managers. The following versions: 2.4 and 2.1 are the most frequently downloaded ones by the program users.
From the developer:
A shell command (binary executable) allowing the manipulation of the extended attributes of a file. Extended attributes allow the arbitrary association of name:data (i.e., key-value) pairs with file system objects.
With the xattr command, the extended attributes of one or more files may be listed, written (set), printed (displayed), or deleted.
You may want to check out more Mac applications, such as PyQTSequence, which might be similar to Xattr.