dfGallery 2.0 is one of the coolest Free Flash Galleries with 200,000+ downloads of v1.0 from their official website.It has an amazing theme engine built to support custom themes with multiple skins for each. The administration console built on CodeIginter lets you manage multiple galleries and albums of different types.

SimpleViewer is a free, customizable Flash image viewing application. This flash gallery is only 17kb and can be customized easily to suit your needs.

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.