There is toshi-search https://github.com/toshi-search/Toshi https://github.com/toshi-search/Toshi who is trying to be a drop-in replacement for Elasticsearch.

There is toshi-search https://github.com/toshi-search/Toshi https://github.com/toshi-search/Toshi who is trying to be a drop-in replacement for Elasticsearch. My understanding is that Bayard is trying to achieve the same use cases as Elasticsearch but with a different API