SmallDevTools - Handy developer tools with a delightful interface
elasticsearch-gui - AngularJS Client for ElasticSearch as a plugin.
whatdevsneed - This is whatdevsneed.
ElasticHQ - Tool for ElasticSearch management and monitoring.
Google Open Source - All of Googles open source projects under a single umbrella
Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.