https://sourceforge.net/projects/singapore/

http://www.plogger.org/

http://piwigo.org/

Piwigo is photo gallery software for the web, built by an active community of users and developers.

https://phpgrabcomics.org/

GNU phpGrabComics is a software program to grab and save comic strips from the web. Its aim is to help users to read and archive their favorite comic strips.

http://phpautogallery.sourceforge.net/

https://sourceforge.net/projects/photoframe/

https://sourceforge.net/projects/otfgallery/

Yet another photo gallery. It's a minimalistic, yet usable gallery, which requires minimal setup. Requires PHP4, GD, and JPEG-support

http://galleryproject.org/

http://www.funkgallery.com/

FunkGallery, the FREE full function, highly customizable, open-source photo gallery software system. It uses the powerful PHP language and MySQL database.

https://sourceforge.net/projects/easyphpalbum/

SINGLE SCRIPT photo, music, and video gallery. With the web-based configuration, SEO, easy navigation & clean layout. Easy to integrate into existing sites