spaCy spaCy is an open-source software library for advanced Natural Language Processing (NLP). As the website introduces, it is a tool of “Industrial-Strength Natural Language Processing in Python”. Its fast speed and many more extraordinary features and extenions make it more and more popular among researchers. To install spaCy, you could refer to the Documentation of spaCy for a step-by-step instruction.
Here I would like to demonstrate how to visualize the dependency relationship of a sentence by using dependency parser of spaCy: