Global Gallery Plugin GPL Features list

• Unlimited photogalleries. Each one capable of storing thousands of images
• 4 gallery layouts: Standard (fixed images sizes), columnized, masonry and photostring (justified)
• Gallery image tags filter and search
• Image-to-Gallery system featuring 6 different layouts and multipe customizations
• Images slider with fixed/responsive sizing and lightbox support
• Images carousel with multi-column and image-centric mode lightbox support
• Visual gallery builder with drag&drop sorting and thumbnails cropping management
• Automatic gallery population with automatic cache update
• Automatic gallery images sorting by title, author and date (NB: by date only for WP sources)
• SEO deeplink engine for gallery and collection systems
• Self-hosted images sitemap
• Self-hosted images management system: direct folders creation and files upload with IPTC meta data read/update
• Unlimited image sources
  • Wordpress image library
  • Wordpress categories or custom post types (associated to a taxonomy)
  • Flickr sets, photostreams and tags
  • Pinterest boards
  • Google Drive
  • Twitter accounts and hashtags
  • Real Media Library folders
  • nextGEN gallery plugin galleries
  • Tumblr blogs
  • Self-hosted images
  • ANY RSS feed (therefore also Facebook and Instagram via Zapier)