The best alternatives to Swift ElasticSearch Client are reactivesearch.io, Searchbase, and Sajari site search. If these 3 options don't work for you, we've listed a few more alternatives below.
Sajari site search is machine learning powered search engine for your site. It features machine learning powered ranking, instant indexing, powerful analytics, fast crawling and a rich gRPC API.
This tool adds internal search to your website by crawling your site content and creating a search index. Features like auto-suggest, spelling error correction, facets and filters help your site users discover the right content in the fastest time possible 😂
Zinc is a search engine that does full text indexing. It is a lightweight alternative to Elasticsearch written in Go. It's simple and easy to operate as opposed to Elasticsearch which requires a couple dozen knobs to understand and tune.
Manticore Search is a faster and open source alternative to Elasticsearch with very similar capabilities written in C++. 4x faster for big data, 29x faster for log analytics, 15x faster for small data. Manticore supports Kibana.
Self-serve tool to evaluate the performance and readiness of your site search - Evaluated on 10 key parameters for improving search CX - Know your site-search readiness score - Get a detailed evaluation report with inputs to improve site search