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.
Nosto - Personalized shopping experiences for e-commerce businesses
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Yuzu - An experimental open-source emulator for the Nintendo Switch
Site Search 360 - Site Search 360 enhances and improves your built-in CMS or product search with autocompletion, semantic search, filters, facets, detailed analytics, and a whole lot of customization options.
Knexus - Knexus data driven platform delivers highly personalized customer experiences of your online content across all digital channels, in real time.