Open Source JavaScript Libraries - Page 20
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JavaScript Libraries
View 75 business solutionsBrowse free open source JavaScript Libraries and projects below. Use the toggles on the left to filter open source JavaScript Libraries by OS, license, language, programming language, and project status.
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Gemini 3 and 200+ AI Models on One PlatformBuild, govern, and optimize agents and models with Gemini Enterprise Agent Platform.
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Secure File Transfer for Windows with Cerberus by RedwoodCerberus supports unlimited users and connections on a single IP, with built-in encryption, 2FA, and a browser-based web client — all deployable in under 15 minutes with a 25-day free trial.
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JSP tag library for the YAV javascript validation tool. It provides automatic client-side and server-side validation by using simple validation tags.
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Yoast WordPress SEO
Yoast SEO for WordPress
The Yoast SEO plugin is the most popular SEO tool for WordPress, offering comprehensive tools to optimize content for search engines. It provides real-time page analysis, readability checks, and automated metadata handling to improve website visibility. -
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Zebra Datepicker
Super-lightweight, highly configurable, cross-browser date time picker
A super-lightweight, highly configurable, cross-browser date time picker jQuery plugin. Enhance your forms with the powerful and highly-configurable Zebra Datepicker date time picker jQuery plugin. This date time picker adds an intuitive calendar interface for selecting dates and times, complete with a convenient month and year jump feature. The selected date will be formatted and entered into the input field according to your specified options. Simply attach the plugin to your input fields and let the calendar icon do the rest. -
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Zebra Dialog
A small, compact, and highly configurable jQuery plugin
A small, compact, and highly configurable jQuery plugin for creating modal dialog boxes. Zebra Dialog is a small, compact (one JavaScript file, no dependencies other than jQuery 1.7.0+) and highly configurable jQuery plugin for creating responsive modal dialog boxes, meant to replace native JavaScript alert, confirmation, and prompt dialogs. Can also be used as a notification widget (when configured to show no buttons and to close automatically) for updates or errors, without distracting users from their browser experience by displaying obtrusive alerts. Works in pretty much any browser, Firefox, Chrome, Safari, Edge, Opera, and Internet Explorer 6+ -
Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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Zebra_Accordion
A tiny accordion plugin for jQuery
Zebra_Accordion is a tiny (2KB minified) accordion plugin for jQuery. It transforms a basic definition list, without requiring any other specific markup, into a small-footprint, easily configurable, fully customizable, cross-browser accordion widget, useful for better organizing larger groups of content. -
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Zebra_Cookie
An extremely small jQuery plugin for handling cookies
Handling cookies can be a daunting task using plain JavaScript, and since jQuery doesn’t natively include functions for handling cookies, I've created Zebra_Cookie - an extremely small (~500 bytes minified) jQuery plugin for writing, reading and deleting cookies. -
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Zebra_Datepicker
A lightweight date picker plugin for jQuery
Zebra_Datepicker is a small, compact and highly configurable date picker plugin for jQuery, meant to enrich forms by adding a datepicker functionality. It works by automatically adding a calendar icon to the indicated input fields, which users can then click to open up an inline date picker. Users can easily jump between months and years due to the intuitive interface and finally, the selected date will be entered in the input field using a specified date format. -
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Zebra_Dialog
A lightweight dialog box plugin for jQuery
Modal dialog boxes are a great way to show information to your users, but to also alert them of errors or warnings. Zebra_Dialog is a small (4KB minified), compact (one JS file, no dependencies other than jQuery) and highly configurable dialog box plugin for jQuery, meant to replace JavaScript’s “alert” and “confirmation” dialog boxes, and built using the jQuery Plugin Boilerplate. The plugin can also be used as a notification widget (when configured to show no buttons, and to close automatically) for updates or errors, without distracting users from their browser experience by displaying obtrusive alerts. -
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Zebra_Tooltips
A lightweight tooltips plugin for jQuery
Zebra_Tooltips is a lightweight (around 5KB minified) jQuery plugin for creating simple, but smart and visually attractive tooltips, featuring nice transitions and offering a wide range of configuration options. Tooltips may also be shown and hidden using the API. When shown programmatically, the tooltips will feature a “close” button and clicking it will be the only way of closing tooltips opened this way. This is very useful for drawing users’ attention to specific areas of a website. Appearance can be easily customized both through JavaScript and/or CSS. Also, tooltips can be aligned left, center or right relative to the parent element. Zebra_Tooltips make use of NO IMAGES (uses CSS3 for rounded corners and drop shadow and falls back gracefully for browsers that don’t support CSS3) and the tooltips can be attached to any element not just anchor tags! Works in all major browsers (Firefox, Opera, Safari, Chrome, Internet Explorer 6+) -
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Zepto.js
JavaScript library for modern browsers with a jQuery compatible API
Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API. If you use jQuery, you already know how to use Zepto. While 100% jQuery coverage is not a design goal, the APIs provided match their jQuery counterparts. The goal is to have a ~5-10k modular library that downloads and executes fast, with a familiar and versatile API, so you can concentrate on getting stuff done. Zepto is open source software and is released under the developer and business-friendly MIT license. Note that some optional features of Zepto specifically target mobile browsers; as the original project goal was to specifically provide a leaner alternative to jQuery for the mobile web. Zepto is a good choice for browser extensions (for Safari, Chrome and Firefox) and to develop HTML-based views within native app frameworks, such as PhoneGap. In short, Zepto is expected to work in every modern browser and browser-like environment. -
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ZooMove
Enlarges the image with the mouse hover and move
It's a plugin developed with jQuery, that allows to dynamically zoom images with mouseover, and view details with mouse move. Enlarges the image with the mouse hover and move. -
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Zreshk is a tiny javascript library which provides basic needs of web developers such as AJAX and effects.
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accessible-slick
The last (accessible) carousel you'll ever need
A highly accessible, WCAG 2.0 / 2.1 compliant, drop-in replacement for Slick Slider (1.8.1) crafted and tested by expert users and professional accessibility consultants, intended to make life easier for real-world dev teams who need to pass accessibility audits. -
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amqplib
AMQP 0-9-1 library and client for Node.JS
amqplib is a Node.js client library for the Advanced Message Queuing Protocol (AMQP), enabling applications to connect to AMQP brokers like RabbitMQ for messaging functionalities. -
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anime.js
JavaScript animation engine
anime.js is a lightweight JavaScript animation library that allows you to create complex animations with a single, powerful API. It works with just about anything web-based: CSS properties, SVG, DOM attributes and JavaScript Objects. anime.js makes it easy to create layered and complex animations, and gives you full control of timing and triggering events so they move exactly how and when you want them. It supports some of the latest browsers, and offers plenty of examples and demonstrations to get you animating in no time. Animate everything you want simply and easily with anime.js. -
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arrive.js
Watch for DOM elements creation and removal
arrive.js provides events to watch for DOM element creation and removal. It makes use of Mutation Observers internally. -
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asynquence
Asynchronous flow control
asynquence is a small, promise-like flow library for composing asynchronous steps into readable sequences. Instead of juggling nested callbacks, you create a chain of operations that pass values forward and route errors consistently. It supports concurrency control via “gates” and “races,” letting multiple tasks proceed and rejoin at the right moment without complex bookkeeping. The design emphasizes clarity and debuggability, keeping stack traces and error paths straightforward. Plugins expand the core with helpers for iteration, mapping, timeouts, and integration with event sources, so you can grow from simple sequences to richer workflows. Even though modern Promises and async/await exist, asynquence remains a compact, educational model for structuring async code with explicit, composable semantics. -
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bDialog
Extend the Bootstrap Modal features, making dialog more functions
Extend the Bootstrap Modal features, making dialog more functions and easier to use, dialog type including modal, alert, mask, and toast types. A multi-layer nested, highly customizable powerful dialog plugin, dialog type including modal dialog, alert dialog, mask layer, toast dialog. -
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bTabs
A jQuery plugin open pages in tab, based on Bootstrap2,3
A jQuery plugin opens pages in tab, based on Bootstrap2,3. -
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babel-plugin-macros
Allows you to build simple compile-time libraries
Currently, each babel plugin in the babel ecosystem requires that you configure it individually. This is fine for things like language features but can be a frustrating overhead for libraries that allow for compile-time code transformation as an optimization. babel-plugin-macros defines a standard interface for libraries that want to use compile-time code transformation without requiring the user to add a babel plugin to their build system (other than babel-plugin-macros, which is ideally already in place). There is cpu usage/time overhead; the client needs to run the code to generate these classes every time the page loads. There is code bundle size overhead; the client needs to receive a CSS parser in order to generate these class names, and shipping this makes the amount of js the client needs to parse larger. Eval-ing out code at compile time that will be baked into the runtime code, for instance, to get a list of directories in the filesystem. -
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require.js - is a great JavaScript library. This project extends it with HTML template modules, and makes module definitions look like real module definitions. Writing browser-side MVC applications is straightforward with this extension.
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board2D.js
A JavaScript game library to quickly develop board games for the web
Board2D.js is a JavaScript library that allows you to quickly develop 2D board games for the web. It is extremely easy to use and contains a very rich API. Download the ZIP, and extract it to a folder. Inside it, the "lib" folder contains the javascript library file. You can include it in your projects as-is. For an example of how to use the library, you can find two mini samples of tic-tac-toe and chess in the examples directory. There is no API manual currently, but if you use an editor like Brackets, it will show you the list of functions. Just do not call the functions which start with "__" as those are meant for internal use by the library itself. There is a readme file included in the ZIP which shall get you started. -
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bootstrap-validate
A simple Form Validation Utility for Bootstrap 3, Bootstrap 4
A simple Form Validation Utility for Bootstrap 3, Bootstrap 4 for Humans. -
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cache-pug-templates
Cache Pug templates for Lad/Koa/Express/Connect with Redis
Cache Pug templates for Lad/Koa/Express/Connect.
