BambooInvoice is free Open Source invoicing software intended for small businesses and independent contractors. It has an Ajaxed interface (totally unobtrusive) with structured & meaningful XHTML.

BambooInvoice enables anyone to:

Add/edit/delete clients & related contacts,
Create invoices for clients, send them via e-mail, generate PDFs or print them, and
Define the payments made to the system to follow them

Also, a reports feature displays a financial snapshot of the given period.

This Flash automate news slider (AS3 code) which uses XML for fetching the data. The main propose of this news slider is show news on the front page, with a title, an image, some descriptive text, and a link to the full article.
It loads 4 articles and changes from one article to another automatically in a lapsus of time, and the user could stop, rewind or forward whenever you want.

FameID Menu is an easily configurable and XML driven menu that allows to add navigation menus to your website in no time. It does not require any programming skills nor takes long to install and configure. It is straight-forward and can be transformed from one look to another in minutes. You can set up different configuration sets (looks) for your menu and load up any of them at any time.

Flowplayer is an Open Source video player for the Web. Use it to embed video streams into your web pages which you can configured and styled to fit your needs. The skin is fully customizable. All colors, background colors, gradients and dimensions can be changed. You can also use background images or even a Flash object on the background.

MegaZine 3 is an open source and free Flash pageflip engine for presenting any content with a book-like interface where users can flip the pages. This means two things, basically: you don’t have to pay for it, and you can even modify it in any way you see fit. MegaZine 3 uses a completely dynamic approach, allowing full configuration through an external XML file. This makes it easy to set up books even if you do not even own the Flash IDE.