Piwigo is a photo gallery software for the web. It comes with powerful features for publishing your photos and smart browsing capabilities such as categories, tags, or chronology. Extensions make Piwigo easily customizable.
LinPHA is an easy to use, multilingual, flexible photo/image archive/album/gallery written in PHP. It uses a SQL database to store information about your pictures. It comes with a HTML based installer, so you don't need experience in setting up SQL
Full featured photo collection PHP script - Light, fast and easy to install.
DIOWave Visual Storage is a Web server which displays DICOM images. The look and feel of the Web pages are similar to imaging workstations.
Written in Python, using GTK+ and Cairo, this project is comprised of a canvas capable of drawing East-Asian character glyphs registered at the GlyphWiki project (http://glyphwiki.org), and so-called drawfonts which draw them in a specific style.
Mig is designed to be a simple but flexible program that enables users to manage online photo galleries.
RIG is a web-based JPEG image album viewer, especially useful for digital camera albums; provides automatic image resizing, preview & thumbnail caching, user authentication; composed of a PHP web interface and a C++ thumbnail engine.