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.
Google Marketing Platform - Google's unified and improved marketing and analytics tools.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
AdRoll - AdRoll is a leader in retargeting display advertising. Draw the right people with the right strategies.
Klevu - Klevu offers instant site search solution for eCommerce stores.
Smartly.io - Smartly.io is the leading Facebook ad optimization solution for agencies and performance marketers