Taptalk - Personal video and photo messaging
Fragment - A powerful image viewing suite with advanced metadata info
elasticsearch-gui - AngularJS Client for ElasticSearch as a plugin.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
ElasticHQ - Tool for ElasticSearch management and monitoring.
ImageGlass - You can use Image to view your digital images and photos of many different formats.