Tableau – Tableau Software is most likely recognizable to anyone involved with data visualizations. It makes analyzing data fast and easy for users of all levels.
Bokeh – Bokeh is an interactive visualization library that targets modern web browsers for presentation. Its goal is to provide elegant, concise construction of versatile graphics, and to extend this capability with high-performance interactivity over very large or streaming datasets.
Apache Hadoop – The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage.
Jupyter – Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text. Users can clean and transform data, do numerical simulation, statistical modeling, data visualization, machine learning, and more.
OpenRefine – OpenRefine is a powerful tool for working with messy data. This tool allows users to clean data, transforming it from one format into another, and extend it with web services and external data.
Orange – Orange is an open source machine learning and data visualization tool for novice and expert users. It includes interactive data analysis workflows with a large toolbox.
KNIME – KNIME for Data Scientists blend tools and data types seamlessly. KNIME gives fluid movement from prototyping new analytics approaches to creating production deployments for users across your global enterprise.
DataMelt – DataMelt is a free mathematics software for scientists, engineers and students. It can be used for numeric computation, statistics, symbolic calculations, data analysis and data visualization.
RapidMiner – RapidMiner is a software platform for data science teams that unites data prep, machine learning, and predictive model deployment. It eliminates the complexities of cutting edge data science by making it easy to use the latest machine learning algorithms and technologies like Tensorflow, Hadoop, and Spark.