Amazon Comprehend is an NLP service that identifies the language of the text; extracts key phrases, places, people, brands, or events; understands how positive or negative the text is; and automatically organizes a collection of text files by topic.
GoSquared People Analytics brings together the best of a CRM, marketing automation, and real-time customer insights, to be the only tool you need to understand and communicate with customers at scale.
CakeChat is an open-source dialog system that generates responses in a text conversation. That may be affected by one of the 5 emotional states: happiness, anger, sadness, fear and a neutral mood. It's based on a sequence-to-sequence model trained on dialog pairs of contexts and responses. Learn more on GitHub.