Here are some popular data visualization tools:

1. Tableau: Tableau is a powerful data visualization and business intelligence software that allows users to create interactive dashboards, charts, and graphs. It is used by businesses of all sizes and industries to visualize and analyze data.
2. Power BI: Power BI is a cloud-based business intelligence tool that enables users to create interactive reports, dashboards, and visualizations. It is widely used by businesses to monitor performance, track key metrics, and make data-driven decisions.
3. QlikView: QlikView is a business intelligence and data visualization platform that enables users to create interactive dashboards and visualizations. It is designed to help businesses uncover hidden insights and make informed decisions based on data.
4. Google Data Studio: Google Data Studio is a free data visualization tool that enables users to create interactive dashboards and reports using data from various sources. It is widely used by businesses to monitor performance, track key metrics, and share insights with stakeholders.
5. D3.js: D3.js is a powerful JavaScript library for data visualization. It allows users to create custom interactive visualizations, charts, and graphs using HTML, CSS, and JavaScript.
6. Excel: Microsoft Excel is a spreadsheet program that includes basic data visualization tools such as charts and graphs. It is widely used by businesses to analyze and visualize data.
7. R: R is a programming language used for statistical computing and graphics. It includes powerful data visualization tools that allow users to create custom visualizations and graphs.