XUpload is an advanced upload progress bar indicator for web-based file uploads written on Perl. XUpload lets you to accept file uploads on your website and shows upload progress bar which is showing upload progress in real-time. Upload progress bar could be shown in popup window or right on the upload page. It also shows upload progress in percents, upload speed (kb/s), elapsed and remaining time, size of uploading files (useful when uploading multiple files). You can stop file upload process by just pressing the stop button.