1)NLP components well-suited for clinical tasks 2) User friendly interface for developing customized NLP pipelines, very easy to use and flexible; 3) Newer NLP approaches besides rule-based: machine learning and deep learning 4) User friendly interface for chart view and annotations 5) UMLS concept mapping and encoding 6) Database connection makes NLP and post-NLP tasks very efficient 7) Easy integration with EHR 8)Suitable for both research and operational purposes 9) Large number of current users which makes collaborations a lot easier 10) Very generous contributions to academic settings 11) Supportive consultation and trouble shooting