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Data & GIS Services

Data & Visualization Tools

Data Wrangler

Powerful tool to transform spreadsheet data into relational format.

Open Refine

OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; extending it with web services; and linking it to databases like Freebase.


Easily plot data and add annotations for professional and readable charts.


Plot data with a variety of visualization methods, export high quality images, embed, or share online.


Create high quality visualizations with several layouts and export in SVG or PNG for further design, or embed and share via HTML. Built on the D3.js library, this tool contains next-generation tools for visualization, without the need for javascript programming. 


Powerful and flexible data visualization software. Create and share interactive visualizations on the web. Get started with Tableau with free online training.


Graph and network data visualization tool

Timeline Storyteller

An open-source expressive visual storytelling environment for presenting timelines in the browser or in Microsoft Power BI.

Web Mapping Tools

ArcGIS Online

A powerful web-based GIS platform for mapping and spatial analysis. See example Story Maps at 


Easily create and share dynamic interactive web maps.

Learn More about GIS and mapping resources at Cal Poly

Data Science Tools

Data Viz Tool Collections

A curated guide to tools, resources, and technologies for data visualization.

Dataviz Catalogue

A visual guide to chart types, with links to the tools available to construct different visualization types.

Visualizing Data - Resources

The Visualizing Data Blog curated list of resources for working with and visualizing data.