Birdeye - #1 most trusted reputation and customer experience platform for local business
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.
Reputation.com - Reputation.com is a solution for tracking and improving online reviews, social media, and local search visibility for businesses.
Dynamic Yield - Personalization & customer experience management
ReviewTrackers - Software that generates new customer reviews, engages your customers and lets you listen and...
Optimizely - A/B testing you'll actually use.