Seven popular data visualization tools:

Tableau: Tableau is a powerful data visualization tool that allows users to create interactive dashboards and charts. It supports a wide range of data sources and has a user-friendly interface.

Power BI: Power BI is a business analytics service by Microsoft. It enables users to connect to a variety of data sources and create interactive visualizations and reports.

Google Data Studio: Google Data Studio is a free data visualization tool that allows users to create customizable reports and dashboards using data from Google Analytics and other sources.

QlikView: QlikView is a data discovery and visualization tool that allows users to create interactive dashboards and reports. It also supports a wide range of data sources.

D3.js: D3.js is a JavaScript library that enables users to create dynamic and interactive data visualizations on the web. It is highly customizable but requires more technical knowledge than some other tools.

Plotly: Plotly is a data visualization tool that allows users to create interactive charts, graphs, and maps. It supports a variety of programming languages including Python, R, and JavaScript.

Excel: Microsoft Excel is a widely used spreadsheet program that also includes data visualization features. It is a good option for creating simple charts and graphs but may not be as powerful as some of the other tools listed above.