On-the-fly Thumbnail/Low resolution picture generation

Unlimited Categories and Sub-categories (it uses directories)

Integrated fast text database mode (MySQL also supported if prefeered)

Users comments

Rating system

Web interface management

Picture upload via web interface (or via FTP)

Top rated/Last commented/Last added pictures pages

Slideshow mode

User level support, so you can hide some pictures from unwanted people

EXIF/IPTC metadata support

Lossless JPEG rotation (via exiftran/jpegtran)

Video, sound and text files support

Themes including templates, header/footer and language file

Following W3C standards - XHTML 1.1 / CSS 2.0 Valid

Multilingual support (See TranslatorPage for complete list and status)

Installation Wizard

Highly configurable / Easily customizable

Free (under GPL license)