Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
42matters Explorer - Explorer by 42matters is a research tool to visually explore databases of apps, publishers, audiences, SDKs, technologies, contacts and others.
novaGallery.org - Beautiful php image gallery - easy to use, with modern responsive design, private mode, themes, languages
Apache Jackrabbit - Apache Jackrabbit content repository is a fully conforming implementation of the content repository for Java technology API.
Juicebox - Spectacular HTML5 Image Galleries Made Easy
Gravatar - Gravatar (an abbreviation for globally recognized avatar) is a service for providing...