Cutter.js
Truncate HTML code to limit its length by number of words without losing markup.
Idle.js
Javascript activity library for the browser. (away, idle, etc)
Catiline
JavaScript library to take the pain out of web workers.
Mdb Angular Ui Kit
Angular 11 & Bootstrap 5 & Material Design 2.0 UI KIT
Carlo
Web rendering surface for Node applications
Wordcount.js
Calculate file newlines, word, and byte counts on client side using HTML5 File API. (Emulates Linux's wc command)
Css Console
cssConsole is a jquery plugin that allows you to transform DOM element into console/terminal like input.
Mincss
Tool for finding out which CSS selectors you're NOT using.
Medium Editor Insert Plugin
jQuery insert plugin for MediumEditor (Medium.com WYSIWYG editor clone)
Angular Socialshare
Angular social share module, share urls and content on social networks such as facebook, google+, twitter, pinterest and so on - http://720kb.github.io/angular-socialshare
Adapt
Adapt.js serves CSS based on screen width.
Jquery Zoomer
Zoom up your iFrames
Communist
JavaScript library for web workers.
Pdfkit
A JavaScript PDF generation library for Node and the browser
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Impress.js
It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
React Translated
A dead simple way to add complex translations (i18n) in a React (DOM/Native) project 🌎🌍🌏