Gapminder is an independent educational non-profit fighting global misconceptions with free data visualization tools and fact-based worldview training.

Klipfolio is a dashboard solution that automates data retrieval from spreadsheets and 200+ services, used by teams and agencies for real-time KPI reporting.

A comprehensive guide and library detailing various data visualization techniques, tools, and learning resources for creating effective charts and graphics.

AntV is a data visualization open-source project providing powerful charting libraries for creating interactive and high-quality data visualizations.

RAWGraphs is a free and open source tool for data visualization.

SimpliFaster is an e-commerce platform and resource hub providing vetted sports science and strength & conditioning tools, equipment, and education for coaches.

ChartExpo is a data visualization tool for Google Sheets, Microsoft Excel, and Power BI.

rcharts.io appears to be a placeholder or directory site offering links and information on various topics, potentially related to charting or data visualization given the name.