amCharts
Advanced javascript charting library that will suit any data visualization need.
Epoch JS
A general purpose real-time charting library for building beautiful, smooth, and high performance visualizations.
Bokeh
Bokeh visualization library, documentation site.
AnyChart
Award-winning JavaScript charting library & Qlik Sense extensions from a global leader in data visualization! Loved by thousands of happy customers, including over 75% of Fortune 500 companies & over half of the top 1000 software vendors worldwide.