Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.

Digizuite DAM - Digizuite DAM is a secure digital asset management system.

Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.

Keyspider.io - Keyspider is a cloud-based search platform that provides the best search experiences for users across your Websites, Ecommerce, Services, and Workplace.

ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.

ElasticPress - ElasticPress is a fast and flexible search and query engine for WordPress.