AngularJS Client for ElasticSearch as a plugin.
Ranked in these QuestionsQuestion Ranking
Pro Runs as AngularJS client
Can use ElasticSearch as a plugin for AngularJS platform.
Pro Connects to each ES instance (html-based)
Pro Displays basic cluster information
Shows name, number of nodes, number of data nodes, active primary shards, active shards, relocating shards, initializing shards, and unassingned shards.
Pro Allows to explore your ES index
Provides different ways to explore your index, from keyword-based search to facets or filtering options in the query.
Pro Free and open source
Elasticsearch-gui is a free and open source GUI client for ElasticSearch. It's released under the Apache 2.0 licence.
Since it's web-based, all you need to run and access the GUI client is a web browser.
Con Looks like it's been abandoned
No updates since 2016 (it's late 2018, at the time of writing).