Nosto - Personalized shopping experiences for e-commerce businesses
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.
Swiftype Site Search - Swiftype Site Search helps to sell more, get the right answer to more people on the platform and surface relevant content for readers and followers.
RichRelevance - MyBuys
Sumo - Free tools to grow your email list.
Reflektion - Reflektion provides a predictive analytics platform that is easily deployable solutions for retailers and brands.