OpenNewsletter is a web-based newsletter system

RicarGBooK is a guestbook system written in PHP

Kernel for Exchange Server reliably recovers user mailboxes from corrupt Exchange EDB files and further saves them to PST, or Live Exchange Server. It executes the MS Exchange 2007 Recovery process by preserving the integrity of EDB files.

SilverStripe CMS is an open source web content management system used by governments, businesses, and non-profit organisations around the world.

Create surveys, administer surveys, gather results, view statistics

Simple Invoices focuses on the basic needs of invoicing yet gives users advanced flexibility without compromising simplicity.

SimplePie is a very fast and easy-to-use class, written in PHP, that puts the simple back into really simple syndication.

phpFormGenerator is a an easy, online tool for creating reliable, efficient, and aesthetically pleasing web forms in a snap

phpFreeChat is a free chat system

sNews is extremely lightweight, simple and customizable