Initially intended to reporters as a tool for data journalism, Datawrapper fills a niche with its ability to enrich stories with charts, maps and tables that are interactive, responsive, and embeddable on any website.
Datawrapper's free tier is very generous with various live-updating charts, easy to embed and responsive. The professional solution is expensive but allows removing the Datawrapper attribution and create print-ready graphics in SVG and PDF version. The company is based in Berlin.
Below are the auto-updating graphs generated using Datawrapper. The data for the graph are served directly from github that gets updated daily.
Here's examples showcased in Datawrapper River. These charts can even be reused plugging own data. Happy charting!!