Elasticsearch is a distributed, open-source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured. Elasticsearch is built on Apache Lucene and was first released in 2010 by Elasticsearch N.V. (now known as Elastic).
Elasticsearch can be hosted on an enterprise on-premise server. It is also available as a cloud service in various providers like Azure and AWS
Best Elasticsearch Alternatives
Algolia’s search-as-a-service and a full suite of APIs allow teams to quickly develop fast search and discovery experiences for websites and enterprises. Algolia’s powerful API lets you quickly and seamlessly implement search within your websites, mobile, and voice applications.
Algolia offers free community edition for non-commercial use. And the paid version starts from $29/month
Bring the best of Google Search to your business with Google Cloud Search. Cloud Search helps quickly, easily, and securely find information across the enterprise. Cloud Search utilizes machine learning to bring instant query suggestions and surface the most relevant results across more than 100 different content platforms — in over 100 different languages.
Azure Cognitive Search AI-powered cloud-based search service, which was formerly known as Azure Search. The Azure cloud search service has built-in AI capabilities that enrich all types of information to identify and explore relevant content at scale quickly. It uses the same integrated Microsoft natural language stack that powers Bing and Office products.
Amazon CloudSearch is a managed service in the AWS Cloud that makes it simple and cost-effective to set up, manage, and scale a search solution for your website or application. With Amazon CloudSearch, you can quickly add rich search capabilities to your website or application. Amazon CloudSearch supports 34 languages and popular search features such as highlighting, autocomplete, and geospatial search.
The price of Amazon CloudSearch ranges from $0.059/hr to $0.75/hr