Numpy: A library that can be used for array operations and data computing.

Pandas: A library that allows for the manipulation of data structures with dataframes and clean data presentation.

Matplotlib: A library that offers multiple data visualization options.

Seaborn: A library based on Matplotlib that allows for visualizing statistical models in the medium of say a heatmap.

BeautifulSoup: A library that can be used for web crawling and data scraping.

SciPy: SciPy is an open source Python scientific computing library, which covers various tools in scientific computing, including statistics, integration, interpolation, optimization, image processing and so on.

StatsModels: A library provides many statistical models for statistical testing, exploration and visualization of statistical data.