Easy PHP Thumbnail Class can be used to manipulate images and generate thumbnails. It can load images from files and generate thumbnails that can be saved to files or be generated as the current script output. The class can also perform other image manipulation functions such as adding shadows, clipping rounded corners, filters, bilineair image deformations, and more. Over 45 image manipulation functions are available.
Nfsight is a Netflow processing and visualization application designed to offer a comprehensive network awareness solution. Developed as a Nfsen plugin, it constructs bidirectional flows from unidirectional flows and leverages these bidirectional flows to provide client/server identification.
Simple PHP Chat Script is an AJAX chatting system which does not require a database. It works with text files saved on the server, so it is fast and requires very few server resources. It can be included in both PHP or HTML files (in blogs, forums), but the server must run PHP. The script can easily be changed to be used in other languages, just by translating the texts in a single file. It can have one or more chat rooms. The user can add smiles in chat, and can format the text with Bold, Italic, an Underline.
Comments script with pagination adds comments to a website, paginating them without affecting the rest of the page content or the page URL. It can be used with multiple pages of a site, whatever the type of the page URL (modified or not with mod-rewrite). It can be set to allow only logged-in users to add comments, and has many other settings and Admin management.