Sketch Repo - Collection of resources for anyone who uses Sketch
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.
Gmail Add-on Design Kit - A simple Sketch library to speed up Gmail Add-on designs
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
Charts by ls.graphics - The most comprehensive collection of charts for Sketch
Charts Factory - Create simple charts super fast and for free!