easyGG is an automatic gallery generator. It features automatic image rotation based on EXIF info, automatic scaling for Web usage, automatic generation of linked pages, and an index page with thumbnails. When executed in a directory with JPEG or PNG images, it creates a subdirectory with a ready-to-use gallery.
tmphoto is a Web photo gallery with a fairly advanced metadata structure, allowing photos to be described in terms of place, category, persons in the photo, and events. The places, categories, persons, and events can be further described. It offers a nice browsing interface based on the metadata.
PHP Photo Gallery is a powerful photo gallery script. It offers easy installation and easy management. It can create an online photo gallery with unlimited albums, subalbums, and photos. It can rotate, crop, lighten, darken, blur, and otherwise modify photos online. It allows you to upload many images at once. It supports watermarking with an image or text, user comments and ratings (optional), automatic thumbnail generation, template driven customization, interactive slideshows, the ability to extract EXIF data, and integrated search engine optimization, and RSS feeds. It can show random photos, the latest photos, or favorite photos.
wp-popeye (Popeye) presents images from the Wordpress media library in a nice and elegant way within your posts and pages. Use it to save space when displaying a collection of images and offer your users a simple way to show large versions of your images. It is based on jQuery.popeye and does not employ a disruptive modal window to display large images, allowing all thumbnails and the large images to be browsed in a single image space. It also repects the page flow and stays anchored and rooted in the Web page at all times. The plugin is very easy to set up and integrates automatically into your posts, or allows you to use a shortcode. It comes with several styles but can be also easily customized.