Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Lips
Scheme based powerful lisp interpreter written in JavaScript
Metismenu
A jQuery menu plugin
Trex
Package Manager for deno 🦕
Scroll Trigger
Triggers classes on html elements based on the scroll position. Uses requestAnimationFrame so it doesn't jack the users scroll.
Billboard.js
:bar_chart: Re-usable, easy interface JavaScript chart library based on D3 v4+:chart_with_upwards_trend:
SockJS Client
WebSocket emulation - Javascript client
Midi Writer Js
♬ JavaScript library providing an API for programmatically generating expressive multi-track MIDI files in browser and Node.
Superagent
Ajax with less suck - (and node.js HTTP client to match)
Wavesurfer.js
Navigable waveform built on Web Audio and Canvas
Next.js
Next.js is a lightweight framework for static and server‑rendered applications.
Scheduler
GPL version of JavaScript Event Calendar
Platform
Reactive libraries for Angular
Csso
CSS-optimizer
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Rambda
Faster alternative to Ramda in just 10kB
Mjml
MJML: the only framework that makes responsive-email easy