Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Clever - syncing between education applications for K-12 schools
novaGallery.org - Beautiful php image gallery - easy to use, with modern responsive design, private mode, themes, languages
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
PhotoStructure - PhotoStructure is a complete photo and video management application designed for the whole family.
Claroline - Claroline is a collaborative eLearning and eWorking platform.