Plogger is the next generation open source photo gallery system. It is a photo gallery kit with binaries that you can install on your web site.

Plogger is simple, powerful and light weight gallery tool that has everything you need to share your images with your friends, relatives or just the world. It can integrate photos into your website, a fully featured photo sharing package with an easy administrative interface that helps you manage the photo albums with ease.

Plogger is FOSS (Free and Open Source Software) and just takes about 3 lines of PHP code to bring it alive on your website. Its requirements are MySQL v3.23, GD1.0 and PHP4.

The new Plogger v3.0 supports a lot of features;

• Easy installation
• Easy gallery creation with options upload multiple images at once with thumbnail support.
• Customizable theme support
• Built-in XML generator service that helps you create your own widgets
• ALAX inline editors help you edit the tags on the fly
• Upload a zip archive with images and Plogger will unpack them automatically and import them to the gallery.
• Supports descriptions for Images.
• RSS support
• Integrated slideshow option and many more.

See here for full feature set.

See here for Installation details.

Overall a very neat Photo Gallery Tool for your website.