XUpload Pro is a System Utilities software developed by SibSoft Ltd. After our trial and test, the software was found to be official, secure and free. Here is the official description for XUpload Pro: SibSoft Xupload Pro - An advanced progress bar indicator for web based file uploads written on Perl. Including such features like real-time progress bar, amount of transferred bytes, approx. upload speed, transfer failure detection. No Flash, no Java - just pure Perl/HTML. For Unix/Linux webservers only. you can download XUpload Pro free now.