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

The tinro is highly declarative, very tiny (~4.5 Kb (1.9 Kb gzipped)), dependency free router for Svelte's web applications.

Ire Aderinokun presents in this article her solution to resetting some default browser styles, she also includes some utilities that she wants in every project.