Tableau is a visualization software with tools for analyzing, visualizing, and sharing data. The University of Illinois supports several Tableau services, and a full list of Tableau tools is listed on the AITS website.
Flourish is a data visualization and data storytelling tool. Its free plan lets users create unlimited projects and use a wide range of data visualization templates.
RAWGraphs is a free, open source data visualization tool. Its site provides a series of free tutorials to learn how to use the tool and access specific features.
CITL's Data Analytics consulting program offers support for a variety of coding tools, and can support researchers interested in visualizing data using Python and R. A full list of their services, as well as their consultation form, is available on their website.
This article discusses how to design data visualizations using a design process and design principles. It highlights how using a design process for data visualization will help your data visualization be more understandable to a wider audience.