Plotly is an Open Source Graphing Libraries and an interactive charts and maps for Python, R, Julia, Javascript, ggplot2, F# ...

Qwik is designed for the fastest possible page load time, by deliving pure HTML with near 0 javascript for your pages to become interactive, regardless of how complex your site or app is. It achieves this via resumability of HTML and ultra fine-grained lazy-loading of code.

A toolkit for building rich-text editors on the web. An ideal content editor produces structured, semantically meaningful documents, but does so in a way that is easy for users to understand. ProseMirror tries to bridge the gap between Markdown text editing and classical WYSIWYG editors.