Bonsai - Hosted Elasticsearch.
Relevant Search (2016) - With applications for Solr and Elasticsearch.
setup-elasticsearch - Missing action for Elasticsearch - no need to use containers.
Bloodhound - Elasticsearch client and query DSL for Haskell.
Searchgoose - Elasticsearch-like simple, lightweight, distributed RESTful search-engine using bleve written in go.
Elasticsearch meets BERT - Elasticsearch with BERT for advanced document search.
Chewy - High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client.