micorosoft luis

language studio provides you with an easy-to-use experience to build and create custom ml models for text processing using your own data such as classification, entity extraction, conversational and question answering models. it also provides you with a platform to tryout several prebuilt nlp features and see what they return in a visual manner. some of these features include keyphrase extraction, sentiment analysis, summarization and many more. get started with language studio.