Open Source JavaScript Software - Page 46
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JavaScript Software
Browse free open source JavaScript Software and projects below. Use the toggles on the left to filter open source JavaScript Software by OS, license, language, programming language, and project status.
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Nimiq Blockchain
JavaScript implementation of the Nimiq protocol
Nimiq is a unique open-source payment system. It empowers all humans with decentralized but easy payments. One-click creates a node in your browser. Send and receive directly to the blockchain and be truly independent. A simple, secure and censorship-resistant payment protocol, native to the web. Nimiq is a decentralized, censorship-resistant payment protocol native to the web, with its own diverse ecosystem of apps. The native NIM token is transacted within Nimiq as a store and transfer of value: it acts as digital cash. The cutting-edge, browser-first blockchain approach means that users directly connect to the blockchain with nothing more than a browser. Therefore anyone with an up-to-date browser can join the payment network directly, pay and accept payments without having to install software or rely on unnecessary intermediaries. This gives Nimiq its ‘it just works’ characteristic, which is further strengthened by an ethos of simplicity and ease of use. -
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Oat UI
Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library
Oat is an ultra-lightweight front-end UI library designed to automatically style semantic HTML using minimal CSS and JavaScript with zero external dependencies. The project focuses on simplicity and performance, allowing developers to create clean, modern interfaces without relying on heavy frameworks or complex build systems. Oat works by applying sensible default styling directly to standard HTML elements, meaning developers can achieve polished layouts with little to no custom classes. Its small footprint makes it especially attractive for static sites, documentation, prototypes, and low-overhead web applications. The library can be installed via npm, CDN, or direct download, making it flexible across different development workflows. Overall, Oat prioritizes minimalism, speed, and developer ergonomics for teams that want attractive UI results with extremely low complexity. -
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Observable Plot
A concise API for exploratory data visualization
Observable Plot is a free, open-source JavaScript library to help you quickly visualize tabular data. It has a concise and (hopefully) memorable API to foster fluency — and plenty of examples to learn from and copy-paste. In the spirit of show don’t tell, below is a scatterplot of the height and weight of Olympic athletes (sourced from Matt Riggott), constructed using a dot mark. We assign columns of data (such as weight) to visual properties (such as the dot’s x), and Plot infers the rest. You can configure much more, if needed, but Plot’s goal is to help you get a meaningful visualization quickly. Plot employs a layered grammar of graphics inspired by Vega-Lite, ggplot2, Wilkinson’s Grammar of Graphics, and Bertin’s Semiology of Graphics. Plot rejects a chart typology in favor of marks, scales, and transforms. Plot can be readily extended in JavaScript, whether to define a channel, a transform, or even a custom mark. -
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Orbit CSS
First framework to create radial interfaces using only CSS
Orbit is a CSS framework designed to create radial UI designs effortlessly. It provides intuitive CSS classes and standard web components for building radial menus, dashboards, creative portfolios, or cutting-edge applications. Orbit harnesses the power of space-inspired metaphors to simplify learning. By leveraging concepts like Big Bang, orbits, satellites, gravitational centers, and gravitational force, Orbit tries to make it easier to grasp abstract ideas, allowing users to have an idea of Orbit before starting to use it. -
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Paperless-AI
AI-powered document analysis and tagging for Paperless-ngx
Paperless-AI is an AI-powered extension designed to enhance document management within Paperless-ngx by automating analysis, classification, and organization tasks. It continuously monitors incoming documents and processes them using various AI backends, enabling automatic assignment of titles, tags, document types, and correspondents. It integrates with multiple OpenAI-compatible services as well as local models, giving users flexibility in how document intelligence is handled. A key capability is its use of retrieval-augmented generation, which enables semantic search and natural language interaction across an entire document archive. Users can ask contextual questions about their files and receive precise answers based on full document understanding rather than simple keyword matching. Paperless-AI also includes a web interface for manual review and tagging, allowing greater control when handling sensitive or complex documents. -
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Parsr
Transforms PDF, Documents and Images into Enriched Structured Data
Parsr is an open-source document parsing tool that converts PDFs, scanned images, and other structured documents into structured, machine-readable data formats. -
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PenEcho
Think with AI beyond the chat box
PenEcho is an open-source shared canvas that makes handwriting, equations, diagrams, and spatial context part of an AI conversation. Users can draw with pressure-sensitive ink, erase, pan, zoom, type formatted text, and arrange ideas across a large virtual workspace. The application sends focused visual regions to an API, Codex CLI, or Claude CLI and converts model responses into editable canvas commands. AI output can include text, formulas, plots, mixed drawings, erasures, and declarative animations. Sparse tile rendering keeps the 20,000-by-20,000 logical canvas efficient without allocating one enormous bitmap. Local snapshots, undo and redo, lasso selection, PNG export, and manual or automatic AI modes support iterative work. PenEcho is available as a desktop application or Node.js package and supports configurable models, reasoning levels, request retention, and plugins. -
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Phalcon Devtools
Phalcon Developer Tools
These tools help you to generate skeleton code, maintain your database structure, and helps to speed up development. Core components of your application can be generated with a simple command, allowing you to easily develop applications using Phalcon. -
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Phaser 3 UI Components
Phaser 3 UI Components built by Adobe Animate
Phaser UI Comps is a plugin for Phaser 3 that enables developers to design user interface components using Adobe Animate and export them for use in Phaser games. It streamlines the process of creating interactive UI elements by leveraging JSON and texture atlases generated from Animate. -
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Phaser 3 Webpack Loader
Asset loader for Phaser + Webpack.
Phaser Webpack Loader is a plugin that streamlines the process of loading game assets in Phaser projects using Webpack. It facilitates parallel asset loading and integrates with Webpack's module system for efficient game development. -
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Pinafore
Alternative web client for Mastodon
Pinafore is a web client for Mastodon, designed for speed and simplicity. An alternative web client for Mastodon focused on speed and simplicity. Pinafore is available at pinafore.social. Beta releases are at dev.pinafore.social. -
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Playback
Video player built using electron and node.js
playback is another project by the same author, aimed at simplifying media playback of streaming sources in JavaScript/Node.js contexts. The goal of Playback is to act as a thin wrapper or abstraction layer that eases the task of launching and controlling a media player from code or CLI, perhaps integrating with torrent-based streaming (e.g. from peerflix) or other streaming sources. The library provides programmatic controls over launching playback, passing custom options or arguments, and managing process lifecycle — making it useful for scripts, automation, or tooling where you need to play media without manually wiring up system calls. Playback can be especially handy when building applications that need to fetch media dynamically (from network, torrent, or remote URL) and immediately play it, without requiring the user to manually download, open, and configure a media player themselves. -
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Playwright for .NET
.NET version of the Playwright testing and automation library
Playwright for .NET is the official language port of Playwright, the library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Cross-browser. Playwright supports all modern rendering engines including Chromium, WebKit, and Firefox. Cross-platform. Test on Windows, Linux, and macOS, locally or on CI, headless or headed. Cross-language. Use the Playwright API in TypeScript, JavaScript, Python, .NET, Java. Test Mobile Web. Native mobile emulation of Google Chrome for Android and Mobile Safari. The same rendering engine works on your Desktop and in the Cloud. Auto-wait. Playwright waits for elements to be actionable prior to performing actions. It also has a rich set of introspection events. The combination of the two eliminates the need for artificial timeouts - the primary cause of flaky tests. -
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Projectile PM
An app for managing your JavaScript projects
Projectile is an Electron‑based GUI for managing JavaScript projects, now archived. It provides an integrated interface for dependency management, script execution, and kanban-style task boards—especially useful for monorepo setups. -
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Puppeteer
Headless Chrome Node.js API
Puppeteer is a headless Node library that provides a high level API for controlling Chromium or Chrome over the DevTools protocol. It requires zero setup and comes bundled with the Chromium version most suited to it. Puppeteer is headless by default, making it fast to run. However, it can also be set to run full or non-headless Chrome or Chromium, simply set the headless option when launching a browser. Many of the things you can do manually in the browser, you can also do with Puppeteer such as generate page screenshots and PDFs, crawl a Single-Page Application, test Chrome extensions and more. -
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Ramme
Unofficial Instagram Desktop App
Unofficial Instagram Desktop App. The latest version of Ramme for macOS, Linux and Windows is available. macOS 10.9+, Windows 7+ & Linux are supported. Although technically it is possible to access Instagram from the desktop of the PC thanks to its web version , it is not the same as using the app. The design is not the same, the navigation is also different and in general it does not provide the same user experience as the mobile app. Ramme, (name whose meaning in Danish is " photo frame ") replicates the design of the mobile app in detail, in an agile and easy-to-use interface (because you already know it very well). Of course, do not expect extra functions or added options beyond the basic ones of the Instagram app itself. Precisely this simplicity and minimalism is one of its strengths. Ramme is a good alternative for those looking to have the same Instagram experience on desktop as on their mobile, and don't want to rely on a web page in the browser. -
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React Native Material UI
Highly customizable material design components for React Native
Highly customizable material design components for React Native! -
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React Rainbow
React Rainbow Components. Build your web application in a snap
React Rainbow is a collection of components that will reliably help you build your application in a snap. Give it a hack and let us know what you think. We designed each component with i18n in mind. Any new component or feature we may add in the future has to be able to work fully in different locales. Proper documentation based on interactive examples to help you understand the features of each component. We know how important it for you is to test your UI. Our npm package provides a webdriver.io page object for almost every component. Our components are test infected. We like to test our components as much as possible. -
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React Simple Chatbot
Easy way to create conversation chats
A simple chatbot component to create conversation chats. There are several examples on the website. Personalize your chatbot defining a theme for it. -
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Reddit Enhancement Suite
Reddit Enhancement Suite
Community-driven unofficial browser extension for Reddit. Reddit Enhancement Suite has entered the maintenance-only mode. A suite of modules that enhance your Reddit browsing experience. Reddit Enhancement Suite is a community-driven unofficial browser extension for Reddit. Please note that RES is specifically designed to work on OLD reddit. Most functionality will not work on the redesign. RES is licensed under GPLv3, which means you're technically free to do whatever you wish in terms of redistribution as long as you maintain GPLv3 licensing. However, I ask out of courtesy that should you choose to release your own, separate distribution of RES, you please name it something else entirely. Unfortunately, I have run into problems in the past with people redistributing under the same name and causing me tech support headaches. -
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ReduxSimpleStarter
Starter pack for an awesome Udemy course
ReduxSimpleStarter is a starter project created for one of Stephen Grider’s React and Redux courses. It gives learners a ready-made JavaScript project structure so they can focus on React and Redux concepts instead of initial tooling setup. The repository includes the basic package configuration, development server workflow, and source structure needed to start building course exercises. It is useful for students who want to follow lessons consistently without assembling a build pipeline from scratch. The project reflects an older generation of React tooling, so it is most valuable as a course companion and historical learning scaffold rather than a modern production template. Its main purpose is to provide a simple, predictable starting point for learning Redux-driven React applications. -
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Reselect
Selector library for Redux
Simple “selector” library for Redux (and others) inspired by getters in NuclearJS, subscriptions in re-frame and this proposal from speedskater. Selectors can compute derived data, allowing Redux to store the minimal possible state. Selectors are efficient. A selector is not recomputed unless one of its arguments changes. Selectors are composable. They can be used as input to other selectors. Reselect provides a function createSelector for creating memoized selectors. createSelector takes an array of input-selectors and a transform function as its arguments. If the Redux state tree is mutated in a way that causes the value of an input-selector to change, the selector will call its transform function with the values of the input-selectors as arguments and return the result. If the values of the input-selectors are the same as the previous call to the selector, it will return the previously computed value instead of calling the transform function. -
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Retire.js
Scanner detecting the use of JavaScript libraries
There is a plethora of JavaScript libraries for use on the web and in node.js apps out there. This greatly simplifies, but we need to stay updated on security fixes. "Using Components with Known Vulnerabilities" is now a part of the OWASP Top 10 and insecure libraries can pose a huge risk for your web app. The goal of Retire.js is to help you detect the use of versions with known vulnerabilities. Scan a web app or node app for use of vulnerable JavaScript libraries and/or node modules. grunt-retire scans your grunt-enabled app for use of vulnerable JavaScript libraries and/or node modules. Scans visited sites for references to insecure libraries and puts warnings in the developer console. An icon on the address bar displays will also indicate if vulnerable libraries were loaded. Retire.js has been adapted as a plugin for the penetration testing tools Burp and OWASP ZAP. -
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RunJS
A JavaScript playground that auto-evaluates as you type
Explore and experiment with JavaScript and TypeScript, visualize your ideas and get instant feedback as you type. Exploring JavaScript has never been easier. Live feedback as you type, with per-line results, makes it super clear what your code is doing. With RunJS you have access to Node and Browser APIs, including full DOM access. This gives you a level of versatility that's not possible in a standard REPL or Chrome console. Babel and TypeScript support enables you to write modern, up-to-date syntax. NPM integration makes trying out new libraries quick and easy. RunJS is a JavaScript playground that auto-evaluates your code as you type and outputs the results to a console pane. TypeScript and modern JavaScript features are supported through Babel transpilation. Additionally, Node and browser APIs are available. -
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Sequence.js
The responsive CSS animation framework for creating unique sliders
Sequence.js is a responsive CSS animation framework created for building interactive sliders, presentations, banners, and other step-based web applications using mostly HTML and CSS. Instead of relying heavily on JavaScript animation logic, the framework controls transitions through CSS class states such as seq-in and seq-out, allowing developers to use familiar front-end workflows and native browser rendering capabilities. The project emphasizes flexibility, enabling developers to animate virtually any CSS property without being constrained by rigid templates or predefined transition systems. Sequence.js supports responsive design, touch navigation, hardware acceleration, and optional dependencies like Hammer.js and ImagesLoaded for advanced interaction handling. Its architecture was rebuilt in vanilla JavaScript to improve performance and remove reliance on jQuery while maintaining broad browser compatibility.
