The Olli library goals to make it simpler for builders to improve the accessibility of existing charts:
Olli is an open-source library for changing information visualizations into accessible textual content buildings for display reader customers. Beginning with an present visualization specification created with a supported toolkit, Olli produces a keyboard-navigable tree view with descriptions at various ranges of element. Customers can discover these buildings each to get an preliminary overview, and to dive into the info in additional element.
