Web Based FTP with Raw Sockets and PHP is a PHP based tutorial that explains the usage of PHP and sockects in building FTP. Using this tutorial you will be able to generate utilities to download, delete, rename and upload files through FTP. Users are
Secure FTP applet with graphical user interface. File size is less than 150 Kb.
Rad Upload is a Drag'N Drop file upload applet with progress indicator. Advanced features include recursive upload of directories and setting upload limits on the client side. The basic edition is available as a free download. Works over HTTP as well
This site has huge articles on blobs. This article deals with MySQL and how the code works with other databases easily without any change. You can extract the codes from perl mega upload program. It guides you about MySQL blob fields related to perl.
Overcome the restrictions placed by the java virtual machine on your applets. / This guide shows how you can make use of digitally signed code to move your applet out of the sandbox.
Provides a solution to a long standing issue in PHP - the lack of a progress indicator for file uploads. | 
