Dynamic Yield - Personalization & customer experience management
Optimizely - A/B testing you'll actually use.
Prudsys - Prudsys is a realtime analytics system and personalisation solution.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
Lytics - Lytics is a company that utilizes machine learning to collect and analyze data to help you find new approaches to marketing. They offer unique and customized experiences to each customer. Read more about Lytics.
Google Marketing Platform - Google's unified and improved marketing and analytics tools.