phlex — Phlex is a Ruby gem for building fast object-oriented HTML and SVG components.
wokwi — A faster way to prototype IoT projects with the ESP32 microcontrolers in the browser
roughjs — Create graphics with a hand-drawn, sketchy, appearance
Sqids (pronounced "squids") is an open-source library that lets you generate YouTube-looking IDs from numbers
cssanimotion lets you create CSS animations visually, by dragging, resizing, rotating, clipping and more, including a keyframes editor
The state of HTTP clients (or why you should use httpx)
htmlhead.dev — A simple guide to HTML <head> elements