Download of xSocket 1.0 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Developer Tools, more precisely Debugging Tools. This free software for Mac OS X was originally developed by TianYi. 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.
From the developer:
xSocket is a developer tool and socket utility to use on your Mac. The application allows you to create easily a socket server or client. Furthermore, the program supports sending data automatically. In addition, you can specify automatic replies. The tool offers a history of both sent and received messages.
You may want to check out more software for Mac, such as Deskzilla, Bugz or LogDiver, which might be related to xSocket.