spool.tv - Just music videos.
Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.
Spotify - Map shows when two people play same song at same time
ElasticHQ - Tool for ElasticSearch management and monitoring.
DiscoverWeekly.dev - The playlists made by devs, every Wednesday
elasticsearch-head - A web front end for an elastic search cluster