Persado - Persado is a SaaS-based marketing automation platform prowered by NLP.
Klevu - Klevu offers instant site search solution for eCommerce stores.
SocialProve - SocialProve shows small notifications boosting your website conversion +15% with real-time social...
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.
Picreel - Recover abandoning visitors and turn them into customers
Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.