Open Source JavaScript Libraries - Page 8
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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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tcomb-form
Forms library for react
tcomb-form is a React form library that generates forms from tcomb domain models. It builds on tcomb and tcomb-validation to connect data structure, validation logic, and user interface generation in a single workflow. Developers define the shape of the data once, then the library can render form fields, apply validation, and return typed values. This makes it useful for applications with many structured forms where hand-writing every input would create repetitive code. The project supports customization through templates, options, labels, placeholders, and field-level configuration. Although it belongs to an older React ecosystem, it remains a clear example of model-driven form generation for web applications. -
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AOS
Animate on scroll library
AOS is a lightweight JavaScript and CSS library for animating elements as users scroll through a webpage. It lets developers add animation behavior directly through HTML data attributes, making it easy to apply effects without writing custom JavaScript for every element. The library supports animations that trigger while scrolling down and can reset when scrolling back up. It includes options for duration, delay, easing, offsets, anchors, and once-only animation behavior. AOS is useful for landing pages, portfolios, marketing sites, and content-heavy pages that need subtle motion and visual rhythm. Its main value is providing scroll-based animation with a simple setup, flexible configuration, and broad front-end usability. -
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Cap CAPTCHA
The privacy-first, self-hosted CAPTCHA for the modern web
Cap is a privacy-first, self-hosted CAPTCHA system designed as a modern alternative to traditional third-party verification services. It replaces invasive tracking-based CAPTCHA solutions with a lightweight approach based on proof-of-work and client-side instrumentation. The system can be deployed independently, giving developers full control over user data and verification processes. It integrates easily into web applications and focuses on maintaining usability while preventing automated abuse. Cap avoids reliance on centralized providers, reducing dependency on external services and improving privacy compliance. Its design reflects a shift toward decentralized, user-respecting security mechanisms. It is particularly suited for developers who want transparent and customizable bot protection. -
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ChineseBQB
Chinese sticker pack, more joy/museum of emoticon
ChineseBQB is an openly shared repository of Chinese-style stickers and memes, essentially a “meme pack / sticker museum” — curated and maintained to collect, categorize, and make accessible a large collection of expressive GIFs and images often used in chats. The repository organizes stickers contributed by many people, and uses a Node.js build script to automatically generate an index of all images, so that users can browse the entire gallery online. The goal is cultural and social: making it easy for “sticker warriors” to find, contribute, and reuse Chinese-style memes for chat, social media, or projects. Because all assets are stored in the repo (or can be downloaded via Git), the collection is transparent, free to use (subject to any licensing / reuse norms), and publicly visible — so contributors get credit for their submissions. -
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Cloudflare-Socks5
CF-workers/pages proxy script: supports Vless-ws (tls) and Trojan-ws
Cloudflare-Socks5 is a proxy deployment toolkit designed to leverage Cloudflare Workers and Pages to create flexible, censorship-resistant proxy nodes using protocols such as VLESS and Trojan. The project provides scripts that enable users to deploy proxy services locally without relying on external subscription providers, improving privacy and control over configuration data. It supports multiple transport modes including WebSocket with TLS, as well as optional encrypted handshake mechanisms like ECH-TLS, standard TLS, or even non-TLS configurations to adapt to different network restrictions. The system is designed with accessibility in mind, offering simplified setup processes that allow users to deploy nodes with minimal configuration, often requiring only a UUID or password. It also includes tools for generating optimized Cloudflare IP selections and supports multiple node formats for compatibility with clients like Clash and sing-box. -
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DO180-apps
DO180 Repository for Sample Applications
DO180-apps is an open source repository maintained by Red Hat Training that provides sample applications for the DO180 course, which focuses on container basics using Red Hat OpenShift. The repository includes multiple small applications written in different languages, such as Node.js, PHP, and simple front-end examples, designed to demonstrate containerization, deployment, and scaling on OpenShift. Learners use these apps to practice building, deploying, and managing workloads in a containerized environment. Each example is lightweight and structured to highlight specific OpenShift capabilities without unnecessary complexity. The repository plays a key role in hands-on labs and exercises for container training. -
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Emoji Mart
One component to pick them all
Data required for the picker to work has been completely decoupled from the library. That gives developers the flexibility to better control their app bundle size and let them choose how and when this data is loaded. Callback when the Add custom emoji button is clicked. The button will only be displayed if this callback is provided. It is displayed when search returns no results. You can use custom emojis by providing an array of categories and their emojis. Emojis also support multiple skin tones and can be GIFs or SVGs. You can use custom category icons by providing an object with the category name as key and the icon as value. Currently supported formats are svg string and src. First, you need to make sure data has been initialized. You need to call this only once per page load. Note that if you call init like this, you don’t necessarily need to include data in your Picker props. It doesn’t hurt either, it will noop. -
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Eris
A NodeJS Discord library
A Node.js wrapper for interfacing with Discord. You will need NodeJS 10.4+. If you need voice support you will also need Python 2.7 and a C++ compiler. Create a directory for your bot, and change to that directory in your command line. If you want to be more updated (at the expense of stability), you can install the beta builds instead. Eris supports a few optional libraries that could potentially improve bot performance but may require additional dependencies. If you want Eris to use any of these packages, install them in the same directory as Eris, and Eris will automatically use them. You can find more examples on the GitHub repo. The rest of the docs will help you with using the various functions of the library. Have fun! -
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Face-Detection-JavaScript
Small browser-based computer vision demo
Face-Detection-JavaScript is a small browser-based computer vision demo that uses JavaScript and face-api.js to analyze live webcam video. It loads face detection, facial landmark, face recognition, and facial expression models from a local models folder. Once the webcam stream starts, the app creates a canvas overlay and draws detection results directly over the video feed. It can identify face boxes, map facial landmark points, and display detected expressions in near real time. The project is simple enough for beginners to study, but it still demonstrates the core pieces needed for webcam access, model loading, detection loops, result resizing, and canvas rendering. It is useful as a starting point for learning client-side face detection prototypes, demos, or educational experiments. -
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FancyGrid
JavaScript grid library with charts integration & server communication
JavaScript grid library with charts integration and server communication. Massive number of features, Paging, Sorting, Filtering, Validation, Ajax data, Files data, RESTful, flexible CRUD, Integration with charts, Form module, Theming, Touch Support, and others. FancyGrid is integrated(data binding) with chart libraries, HighCharts, and sparklines. Intelligent modules system auto-detects and loads needed modules. Good Documentation, Elegant API, Number of Samples, and Professional Support. -
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GoJS
JavaScript diagramming library for interactive flowcharts & org charts
Build interactive flowcharts or flow diagrams. Let your users build, modify, and save diagrams with JSON model output. Visualize state charts and other behavior diagrams. Create diagrams with live updates to monitor state, or interactive diagrams for planning. GoJS allows considerable customization of links and nodes to build all kinds of diagrams. Visualize flow, or connect pipes. Create genogram and medical diagrams, or editable family trees with collapsible levels. Create classic org charts for viewing or editing. Automatic layouts make different visualization options easy. Dynamically add ports and custom link routing. Use data-bindings to save and load routes within the Model JSON. Use groups as containers and subgraphs, with group members bound by their own rules and layouts. Model industrial processes, workflows, SCADA diagrams and more. -
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Google Style Guides
Style guides for Google-originated open source projects
Google Styleguide is a comprehensive collection of coding style guides created and maintained by Google to ensure consistency, readability, and maintainability across its vast array of software projects. These guides define best practices and conventions for writing code in multiple programming languages, from C++ and Python to JavaScript, Go, and Swift. By adhering to these standards, developers can more easily collaborate, review code, and maintain high-quality software across teams and open source contributions. Each guide covers a wide range of topics, including naming conventions, file organization, indentation, documentation, and usage of specific language features. The repository also provides supplementary resources such as an Emacs configuration file for Google’s C++ style and references to related guidelines like Effective Dart and Kotlin Style Guide. -
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Intense Images
A simple library to view large images up close
Intense Images is a standalone JavaScript library for viewing images in a full-screen, immersive style. It lets users open images into a focused viewer and pan around them using mouse or touch position. The library does not require jQuery or another framework, which makes it easier to add to lightweight web projects. It handles the creation, styling, and management of the viewer and captions while leaving normal image styling up to the developer. Intense Images is useful for portfolios, galleries, product pages, photography sites, and visual storytelling experiences. Its main value is giving websites a simple way to make image viewing feel larger, smoother, and more interactive. -
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Intro.js
Lightweight library for creating step-by-step customer onboarding
Intro.js is a lightweight library for creating step-by-step customer onboarding. You can install Intro.js in a few simple steps. Intro.js consists of two main files, the JavaScript part and the CSS part which renders the elements nicely. The simplicity of Intro.js API will help you to develop an advanced onboarding for your products. Intro.js is lightweight, 10kB and has no external dependencies! Intro.js provides various ways to configure your product onboarding and customize every single step of your tour. Intro.js is Free and open-source, published under AGPL license. We also provide commercial license, supporting your team to successfully integrate Intro.js! Intro.js is AGPL-licensed and open-source. However, if you want to use Intro.js in your commercial app, website or plugin, you would need to obtain a commercial license. -
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Node Crawler
Web Crawler/Spider for NodeJS + server-side jQuery
Most powerful, popular and production crawling/scraping package for Node, happy hacking. -
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Qoa
Minimal interactive command-line prompts library
Qoa is a lightweight command-line prompt library for Node.js. It helps developers collect user input through simple, interactive, and configurable terminal prompts. The library has no external dependencies, which makes it small, fast, and easy to add to CLI tools. It includes seven prompt types, covering plain input, confirmation, password-style hidden input, single-key input, quizzes, and navigable choices. Qoa can run prompts sequentially through one async prompt function or individually through each prompt’s own async method. It is best suited for developers who want clean terminal interactions without adding a heavy prompt framework. -
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React-WeUI
WeUI Components build with React
React-WeUI is a React component library that brings WeUI, the interface system associated with WeChat-style mobile design, into the React development workflow. Its purpose is to let developers build mobile-oriented interfaces with React while preserving the visual language and component behavior expected from WeUI. The project combines React components with the underlying WeUI styling, which means teams can work in a modern component architecture instead of manually stitching together markup and CSS for each screen. The repository includes documentation with live examples, installation options for both package managers and browser-based usage, and example code that shows how quickly a page can be assembled from imported components. Because of its heritage, React-WeUI is especially relevant for mobile web experiences, lightweight app-like pages, and products targeting users familiar with WeChat-inspired interaction patterns. -
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Remote Jobs
A list of semi to fully remote-friendly companies (jobs) in tech
Remote Jobs is a community-curated, open source repository that lists companies around the world that support remote work. Each entry describes a company, whether it’s fully remote or partially remote, what regions they hire in, and links to their career pages. The repo serves as a living directory for job seekers looking for remote-friendly employers and for companies wishing to be listed. Contributions are encouraged via pull requests, with guidelines to keep information accurate and up to date. -
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Schema.DTS
JSON-LD TypeScript types for Schema vocabulary
The project provides a comprehensive set of TypeScript typings based on the Schema vocabulary, enabling developers to author JSON-LD structured data with strong type safety. It supplies both high-level discriminated unions and helper types to model contexts, graphs, and linked data relationships with clarity and accuracy. Usage examples demonstrate how one can import types like Person, WithContext, or Graph and compose JSON-LD objects in a way that aligns with semantic-web and knowledge-graph practices. The repository also contains a generator tool that can pull ontology definitions and emit TypeScript definitions in bulk, ensuring the typings stay up to date and maintain consistency. It supports scenarios such as nested objects, graphs of entities, and action types with input/output constraints, which makes it suitable for rich metadata authoring and linked-data workflows. While it is maintained by Google, it is not an officially supported Google product. -
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WebRTC-Experiment
WebRTC, WebRTC and WebRTC. Everything here is all about WebRTC
WebRTC-Experiment is a large collection of WebRTC demos, libraries, examples, and browser communication experiments by Muaz Khan. It covers many real-time communication patterns, including audio calls, video calls, screen sharing, file sharing, media streaming, broadcasting, and collaborative tools. The repository acts as a catalog of related projects rather than one narrow library. It links together tools such as RecordRTC, MultiStreamsMixer, DetectRTC, RTCMultiConnection, scalable broadcasting, Canvas Designer, and Translator. Developers can study the examples to understand WebRTC APIs, signaling patterns, browser support, device detection, and peer-to-peer behavior. It is useful for prototyping browser-based communication apps and learning practical WebRTC implementation ideas. -
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createRest monorepo
REST routes constructor for express and koa
createRest is a node.js library for Express and koa2 designed to build REST API routing scheme. -
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ember-intl
Localization library for any Ember Application or Addon
Internationalize your Ember apps. Ember-intl is an internationalization addon that unlocks translating simple to complex messages using built-in pluralization rules, number and datetime formatting, with support for over 150 languages. Ember-intl is now entirely built on native ECMAScript Internationalization APIs that are now supported by all modern browsers. Locale-aware numbers. Formatting of currencies, decimals, and percentages. Locale-aware dates and times formatting. Locale-aware display of relative time. i.e, "in 1 day", "2 years ago", etc. Support for 150+ languages. Built largely on standards. ICU message syntax & Native Intl API. Extensive Ember Service API and template helpers for formatting and translating. Advanced addon support to provide translations to the host app. -
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glMatrix
Javascript Matrix and Vector library for High Performance WebGL apps
Javascript has evolved into a language capable of handling realtime 3D graphics, via WebGL, and computationally intensive tasks such as physics simulations. These types of applications demand high performance vector and matrix math, which is something that Javascript doesn't provide by default. glMatrix to the rescue! glMatrix is designed to perform vector and matrix operations stupidly fast! By hand-tuning each function for maximum performance and encouraging efficient usage patterns through API conventions, glMatrix will help you get the most out of your browsers Javascript engine. -
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jQuery Smart Wizard v6
The awesome jQuery step wizard plugin
The awesome step wizard plugin for jQuery. jQuery Smart Wizard is an accessible step wizard plugin for jQuery. Provides a neat, usable, and stylish user interface for your forms, checkout screen, registration process, etc. Easy to implement, Bootstrap compatibility, customizable toolbars, themes and colors, events, and Ajax support are a few of the features. -
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node-windows
Windows support for Node.JS scripts (daemons, eventlog, UAC, etc).
node-windows is a utility for Windows services that enables Node.js scripts to run as native Windows services, providing functionalities like event logging, service management, and process monitoring.