RGraph is an Open Source JavaScript charts library for websites. Started in 2008, it supports over 60 responsive chart types across SVG and canvas, multiple data-source import, animations, JSON, AJAX support and more. RGraph uses the GPL license (there's an inexpensive commercial otion too) and was added to GitHub in the spring of 2022.
Widgets with RGraph for ioBroker.vis
QlikSense Extension Bundle - Funnel, Waterfall, Polar, Radar, Word Cloud, BiPartite, Gantt and Bumps/Rank Charts, HeatMap/Square, Advanced Table With Horizontal Progress using RGraph and D3 with options to customize - Qlik Sense
Explorando os gráficos da biblioteca RGraph em paginas HTML CSS e Javascript
The rgraph interactive chart/graph lib with the Rails asset pipeline 📊
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