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.
Office Lens - Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows Phone 8. 1, Windows Phone 8, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Office Lens.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Klevu - Klevu offers instant site search solution for eCommerce stores.
Genius Scan - On The Go.