Radiant is an open source content management system built with Ruby on Rails. It is built for small developer teams other than the end-users as it requires programming knowledge.

With a very simple interface, Radiant offers flexibility when creating the design & content. 3 parts: pages, snippets (like PHP includes) and layouts create the core of the system.

It offers a flexible site structure where pages can be arranged according to any hierarcy.

Radiant has a custom template language named Radius (similar to HTML) which can be used inside pages, layouts to include content from other pages or display content conditionally & more. It also has an intelligent caching mechanism which helps serving pages faster while ensuring the content is up-to-date.

TiltViewer is a free 3D Flash image viewer application with an impressive interface.

The application responds to the mouse movements and creates a full 3D effect with new image sets falling, old ones disappearing, zooming an image and flipping it to see the details.

Images can be added to the gallery from a XML file or a flickr account.

TiltViewer comes with 2 versions. A free version with a "TiltViewer" link and a Pro version which is paid with no links and more customization options.

P.S. This flash gallery is built with Away3D,  a realtime 3D engine for Flash.

XML Flash galleries are very easy to use & update. When there is a flickr support too, than it is great as it will be totally automated.

Polaroid Gallery is a free flash gallery with splash effect that can get the image data from an XML file or a flickr account.

Pictures is automatically scaled, centered and smoothed when they are loaded. Splash loading effect is totally random, this makes the look of the gallery different every time it is loaded. Images can be dragged & dropped anywhere in the gallery.

Besides the image gallery SWF file, FLA source can be downloaded too.

photoDiary, is a flash web application which lets users to create photo blogs.

Blog owners can upload new photos through an administrator interface easily. Maybe, the most attractive feature of photoDiary is the commenting system. Visitors can leave their comments with a post-it like virtual-papers on any part of the photo.

Visitors can navigate through the photos with the back & forward feature, remove all comments with 1 click or send an e-mail to the blog owner.

P.S. There is an English version besides the original Italian version in the product website.

4images is an image gallery software which is being used & developed further for years. Having such an experience, 4images has many features and can be called nearly a bug free software.

With its user-centered logic, 4images is more like a social image gallery or image portal software. Visitors can register to become users, create unlimited galleries, comment or vote each others images.

Some features of 4images:

• Extensive, password protected adminstration area to configure and control the whole gallery system
• Multi language support
• RSS-Feeds (latest images of the gallery, latest images of a category, latest comments of an image)
• Unlimited categories and subcategories
• Automatic thumbnail generation
• Download selected files as zip-archive
• Extensive user administration including registration
• "Who is online" function
• Newsletter function
• Easy to customizable layout via templates

There is a large user community behind 4images which contributes to the software with extra modules, templates & more.

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

Customization options from the xml file of the gallery are found here.

Features:

- Intelligent image pre-loading.
- Intuitive image navigation
- Lightweight (17k).
- Customizable interface – Set text color, frame color and width, navigation position.
- Resizable interface – Interface scales to fit browser window.
- Cross platform – Windows/Macintosh/Linux (requires Flash 7 or higher).
- Flash 7 detection. Users without Flash 7 are messaged to upgrade Flash.
- International font support.
- Keyboard Navigation (Cursor keys, Home, End, Page Up/Down)
- Mousewheel navigation
- Optionally right-click to open image in a new window.
- Free!
- flickr support (see bottom)

There is a simple to use enhancement to SimpleViewer which displays a selected flickr photo set from flickr called FlickrViewer.

Zenphoto is a php – mysql image & video gallery script which has all the features an image gallery must have. It is built with simplicity in mind, this makes Zenphoto is a very easy to use  gallery script both for users & admins.

Some features of Zenphoto:

• Image & video albums + sub-albums
• Ftp or admin panel uploading of images, videos
• Commenting
• Tags
• RSS feed
• Powerful search
• Plugins support (WordPress plugins, Facebook integration & more)
• Themes support

Zenphoto has an active user community where support can be found for this nice php mysql image & video gallery script.

As there are very nice flash & ajax image galleries, this flash gallery application is a bit different from the others as the galleries are created from a desktop application and then uploaded to your website.

Slideroll Gallery AV (formerly Picklish), is a flash image & video gallery tool that lets you create your galleries from a simple drag and drop interface. PC users can also record their own narration with their galleries.

Snarf photos feature of Slideroll Gallery AV lets you to download any images from a website or a rss feed directly into your gallery.

Look and feel of the galleries can be customized and after uploading the image & video gallery to your website, html editing is possible for any tweakings needed.

Slideflow is a slideshow-like ajax image gallery created by Nicholas T.

  You can drag the Slideflow using your mouse, or click anywhere in the stack to jump there. Click inside the frame in order to enable mouse wheel and arrow key navigation!

Technical background:

The photos and titles are read from an XML file, and the thumbnails are pre-generated using Photoshop actions (included in the download).

ImageFlow is a "magnifying glass" type ajax image gallery that is created by Finn Rudolph.

Uploading images inside the "img" folder is enough for the Gallery to run.