Welcome to the first of my yearly round of the “What’s New for Designers & Developers for 2021”.

Today’s post roundup will be showing you what were some of the best and greatest JavaScript and jQuery plugins that either got released or been updated during 2021.

Not every JavaScript and jQuery Plugins that been featured in each of my roundups will be featured in today’s post, as I feel that this list could be enormous. So let’s get in to it.

January’s Top Picks

MotionBlurJS

Motionblurjs

MotionBlurJS is a lightweight JavaScript library that allows your animations to shine with homemade native CSS Motion Blur and Motion Fade while keeping your code clean and your CSS animations smooth.

Tiny Swiper

Tiny Swiper

Ingenious JavaScript Carousel powered by wonderful plugins with native-like experience. Lightweight yet extensible. Import plugins as needed, No more, no less. Zero dependency, written in TypeScript, used for free and without any attribution.

February’s Top Picks

Bytes

Bytes

Bytes is the most entertaining (and informative) way to stay up to date with the JavaScript ecosystem. Delivered every Monday, for free.

Better Tests

Better Tests

Better Tests is a collection of JavaScript testing best practices inspired by BetterSpecs.org to improve your coding skills and level up your test suite.

React Glass

React Glass

Effortlessly create react apps without all the stress associated with the process. Powered by custom components: glass rx, glassX and glass fx, react glass is the easiest way to quickly build your next project.

March’s Top Picks

Datedropper Javascript

Datedropper Javascript

datedropper Javascript is the lightest, the most complete and flexible javascript date picker material UI library. A modern and easy to use datepicker, designed to fit into any layout.

Nullstack

Nullstack

Nullstack is a full-stack framework for building progressive web applications. It connects a stateful UI layer to specialized microservices in the same component using vanilla JavaScript.

April’s Top Picks

Moovie.js

Moovie

Movie focused HTML5 Player

May’s Top Picks

CuppaJS

Cuppajs

A set of libraries to create any kind of JavaScript projects but regardless to other libraries, it is focus in vanilla javascript giving standard tools to built code and re-use it anywhere, not matter the tool-set (reactj, angular, vue, svelte).

PartyJS

Party.js

A JavaScript library to brighten up your user’s site experience with visual effects!

jBox

Jbox

jBox is a jQuery plugin that makes it easy to create customizable tooltips, modal windows, image galleries and more.

June’s Top Picks

lightGallery

Lightgallery

A lightweight, modular, JavaScript image and video lightbox gallery plugin. Available for React.js, Vue.js, Angular, and TypeScript.

WinBox.js

Winbox

WinBox is a modern HTML5 window manager for the web. Lightweight, outstanding performance, no dependencies, fully customizable, free and open source!

July’s Top Picks

Million

Million.js

Current Virtual DOM implementations are inadequate—Ranging from overcomplicated to abandoned, most are unusable without sacrificing raw performance and size. Million aims to fix this, providing a library-agnostic Virtual DOM to serve as the core for Javascript libraries.

August’s Top Picks

inLine

Inline

inLine is a free javascript library built to create a simple text editor for web applications and mobile apps. The smallest WYSIWYG editor designed to fit into any layout.

imaskjs

Imask

Simple a vanilla JavaScript input mask.

September’s Top Picks

Bridge.js

Bridgejs

A tiny-yet-powerful JavaScript library, focused on easily connecting HTML to JavaScript.

Solid.js

Solid Js

A declarative, efficient and flexible JavaScript library for building user interfaces.

October’s Top Picks

Replace jQuery

Replace Jquery

Automatically finds jQuery methods from existing projects and generates vanilla js alternatives.

Theatre.js

Theatre Js

Theatre.js is a JavaScript animation library with a GUI. It animates the DOM, WebGL, and any other JavaScript variable.

November’s Top Picks

Favico.js

Favico.js

A small JS library to dynamically change the favicon of your site to show notification badges, or images and videos.

Atropos

Atropos Js

An open-source JavaScript library for creating touch-friendly 3D parallax hover effects.

December’s Top Picks

SpacingJS

Spacing Js

A JavaScript utility for measuring the spacing between elements on webpage.

Swiffy Slider

Swiffy Slider

Swiffy Slider is a super fast and lightweight slider and carousel This is a whole new approach to sliders and carousels utilising 2021 browser features.

Add-to-Calendar Button

Add To Calendar Button

A convenient JavaScript snippet, which lets you create beautiful buttons, where people can add events to their calendars.

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What’s New for Designers & Developers from 2021: JavaScript & jQuery Plugins