F-Stop Media Gallery - Image and video organizer.
Img.vision - Image hosting & video hosting for eCommerce sellers
Camera Roll - Simple Gallery App for Android, with lovely Material Design.
BeeIMG - BeeIMG is a simple, fast, easy image sharing solution created to fill up your image sharing needs.
LeafPic - LeafPic is a fluid, material-designed alternative gallery.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.