flickrGallery is an open-source photo gallery for jQuery that allows you to dynamically pull images from a photoset in Flickr.

Query.flickrGallery is a jQuery plugin for interacting with the flickr api via javascript. It allows for one to insert albums (photosets) into the page and provide an interface for viewing it to the user, right from their own webpage.

Move/Copy/Rename images and albums, translations and multi-lingual data, improved installation, streamlined admin interface, and more.

GMFoto is a lightweight, open-source photo gallery script written in php - with valid css and xhtml - no database is required either.

Juxtaphoto is a tag based PHP5 photo album that lets you share and organize images on your website. Features include tagged smart albums, EXIF information, batch uploads, automatic photo sizing, chronological sorting of photos, slideshows, and templates.

Plogger is the next generation in open-source photo gallery systems.