StayNTouch - StayNTouch provides a full-featured mobile PMS and guest engagement capabilities.
Klevu - Klevu offers instant site search solution for eCommerce stores.
SkyTouch Hotel OS - Hospitality property management
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.
rezStream - rezStream is a hotel reservation software for your small to the mid-sized hotel that helps you grow your business and save time.
Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.