Mirage - Mirage is a fast and simple GTK+ image viewer.
Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.
Postman - The Collaboration Platform for API Development
ElasticHQ - Tool for ElasticSearch management and monitoring.
Ristretto - The Ristretto Image Viewer is an application that can be used to view, and scroll through images.
elasticsearch-head - A web front end for an elastic search cluster