Open Source JavaScript Software - Page 53
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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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Monero Webminer
Javascript monero webminer
Html & Js code that allows Mining of XMR (Monero) on browsers. -
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Native JSON Benchmark
C/C++ JSON parser/generator benchmark
Native JSON Benchmark is a benchmark suite for comparing C and C++ JSON parser and generator libraries. It evaluates both conformance and performance, which helps avoid treating speed as meaningful when a library does not parse or generate JSON correctly. The benchmark measures areas such as parsing speed, generation speed, memory use, and code size across many open-source libraries. It includes test data and JSON standard checks so implementations can be compared under more consistent conditions. The project is useful for library authors, C++ developers, and performance-focused engineers choosing a JSON implementation. Its main value is providing a transparent reference point for understanding tradeoffs among native JSON libraries. -
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Newman
Newman is a command-line collection runner for Postman
Newman is Postman’s open-source command-line runner for collections, enabling the execution and testing of Postman Collections directly via CLI or Node.js scripts. It shines in CI/CD integration by offering flexible reporting, scripting, and automation capabilities. The easiest way to install Newman is using NPM. If you have Node.js installed, it is most likely that you have NPM installed as well. Newman can be easily used within your JavaScript projects as a Node.js module. The entire set of Newman CLI functionality is available for programmatic use as well. Reporters provide information about the current collection run in a format that is easy to both disseminate and assimilate. -
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Nextcloud News App
RSS/Atom feed reader
The News app is an RSS/Atom feed aggregator. It offers a RESTful API for app developers. The source code is available on GitHub. -
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Noi
Power Your World with AI
Power your world with AI, to explore, extend, and empower. -
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ODrive
Google Drive GUI for Windows / Mac / Linux
Clone and run for a quick way to see ODrive (OpenSource Drive) in action. This is a GUI client for Google Drive on linux application. All formats supported by electron-builder are available, such as 7z, zip, tar.gz, deb, rpm, freebsd, pacman, p5p, apk, dmg, pkg, mas, nsis, appx, msi. If you are working on the code yourself and editing some files in app/assets/, you will need to run npm run webpack (or npm install) for those changes to have an impact on the application. To clone and run this repository you'll need Git and Node.js (which comes with npm) installed on your computer. There are currently three "release" formats supported: nsis (Windows installer) for Windows, AppImage for Linux, and DMG for Mac. -
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OPUS
Open source knowledge base application for Teams
Opus (not to be confused with the audio codec) is a JavaScript library aimed at simplifying certain common tasks, though depending on context the exact scope may vary. In general, it is part of a collection of small utilities by the same author, which tend to favor minimalism, readability, and directness over heavy abstractions. The idea behind Opus (in this JS-utility ecosystem) is to provide functionality that feels native and idiomatic, helping developers quickly get things done without boilerplate. Because the library is lightweight and relies on minimal external dependencies, it is appropriate for small scripts, front-end utilities, and situations where you want to avoid over-engineering. Its simplicity also makes it easy to inspect, understand, and extend — useful traits if you prefer transparent code rather than black-box libraries. -
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OnlyOffice Web
Perform common file preview and editing via the web
OnlyOffice Web is a browser-based document editing platform built on top of OnlyOffice that allows users to view and edit files entirely on the client side without requiring a backend server. It is designed with a privacy-first approach, ensuring that all document processing occurs locally in the browser, which prevents sensitive data from being uploaded or stored externally. The application supports a wide range of file formats, including DOCX, XLSX, PPTX, and CSV, making it versatile for handling common office documents. It offers a smooth and responsive editing experience, leveraging modern web technologies to replicate the functionality of traditional desktop office suites. The platform can also function as a Progressive Web App, allowing users to install it and work offline with full functionality. Additionally, it supports opening documents directly from remote URLs, making it flexible for integration into workflows or content delivery systems. -
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OpenAI Assistants Quickstart
OpenAI Assistants API quickstart with Next.js
openai-assistants-quickstart is a template for using the Assistants API in a Next.js app, demonstrating streaming, tool use, and function calling in one place. The repository includes multiple example pages that each showcase specific capabilities, while all examples share the same underlying assistant with all capabilities enabled. The primary chat logic lives in the Chat component at app/components/chat.tsx, which manages rendering, streaming, and forwarding function calls. Server handlers for threads are provided under api/assistants/threads/..., giving a reference for wiring the API into Next.js routes. The Chat component can be copied directly into other projects, along with its styles from app/components/chat.module.css. Example pages include a basic chat, a function calling demo, a file search demo, and a full-featured example, allowing developers to explore each feature in isolation or together. -
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OpenPGP.js
OpenPGP implementation for JavaScript
This project aims to provide an Open Source OpenPGP library in JavaScript so it can be used on virtually every device. Instead of other implementations that are aimed at using native code, OpenPGP.js is meant to bypass this requirement (i.e. people will not have to install gpg on their machines in order to use the library). The idea is to implement all the needed OpenPGP functionality in a JavaScript library that can be reused in other projects that provide browser extensions or server applications. It should allow you to sign, encrypt, decrypt, and verify any kind of text, in particular e-mails, as well as managing keys. Version 3.0.0 of the library introduces support for public-key cryptography using elliptic curves. We use native implementations on browsers and Node.js when available. -
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Orange ORM
The ultimate ORM for Node and Typescript
Orange ORM is a lightweight, reflection-free ORM for Go that emphasizes performance and direct control. It provides a SQL-like fluent API and struct tagging system to map Go structs to database tables. Orange ORM supports PostgreSQL, MySQL, and SQLite, making it suitable for fast, embedded, or minimal-dependency applications. -
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PCjs Machines
The original IBM PC and other machine emulations in JavaScript
PCjs Machines is a browser-based emulation platform that recreates a wide range of early computing systems, including the original IBM PC and other historical machines, entirely using JavaScript. It serves both as an emulator and a digital preservation project, allowing users to interact with vintage software and hardware environments directly in their web browsers. The platform includes support for multiple architectures such as x86, 6502, and 8080-based systems, as well as minicomputers and programmable calculators. PCjs also provides curated software collections, including operating systems, applications, and games from the early days of personal computing. Its design emphasizes accessibility and education, enabling users to explore historical systems without requiring specialized hardware or installations. The project also includes tools for embedding emulated machines into web pages, making it useful for documentation and teaching purposes. -
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Paper.js
The swiss army knife of vector graphics scripting
Paper.js is an open source vector graphics scripting framework that runs on top of the HTML5 Canvas. It offers a clean Scene Graph / Document Object Model and a lot of powerful functionality to create and work with vector graphics and bezier curves, all neatly wrapped up in a well designed, consistent and clean programming interface. Paper.js is based on and largely compatible with Scriptographer, a scripting environment for Adobe Illustrator with an active community of scripters and more than 10 years of development. Paper.js is easy to learn for beginners and has lots to master for intermediate and advanced users. Paper.js is developed by Jürg Lehni & Jonathan Puckey, and distributed under the permissive MIT License. Paper.js is not simply a wrapper around the Canvas, it offers much more. -
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Parse Dashboard
A dashboard for managing Parse Server
Parse Dashboard is a standalone dashboard for managing your Parse Server apps. Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box. You may set the host, port and mount path by supplying the --host, --port and --mountPath options to parse-dashboard. You can use anything you want as the app name, or leave it out in which case the app ID will be used. The --dev parameter disables production-ready security features. This parameter is useful when running Parse Dashboard on Docker. Parse Dashboard is continuously tested with the most recent releases of Node.js to ensure compatibility. We follow the Node.js Long Term Support plan and only test against versions that are officially supported and have not reached their end-of-life date. You can also start the dashboard from the command line with a config file. -
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Pendulum Editor
A simple markdown editor for static files (Hugo, Nexo, Jekyll
A simple editor for markdown/txt files. Supports saving changes into git repositories hosted anywhere (git add, git commit). Docker images and built binaries are provided. Written by @TitPetric and licensed under the permissive WTFPL. As you write or scroll either the text area or the preview pane, the scroll positions are synchronized based on percentage. In the case of images in the text, accuracy can be quite off, but it's possible to improve this behavior in the future. Most of the development is basically related to the preview of whatever it is you're editing. The editor itself doesn't care about anything other than the contents of the text file you're opening and trying to save. -
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Pennywise
Cross-platform application to open any website or media
Cross-platform application to open any website or media in a floating window. Pennywise opens any website or media in a small floating window that remains on top of all other applications. Pennywise windows stays up all the time. No need to keep struggling with alt + tab, use Pennywise for easy multitasking. To enable flash support, copy or link Chrome's Pepperflash plugin into your $HOME/.pennywise-flash. You can find the plugin at the installation path of Chrome. Use it as a floating window for your calendar/checklist/assigned-tickets etc. Watching tutorial while you code? Open the video in Pennywise and keep it in front of you. Making a video course? Open the demo in Pennywise and show the output in real time. Working on some web UI? Open it in Pennywise to avoid pressing alt + tab again and again. Play some video, watch some talk or play some TV series while you work. Working on something non-familiar? Open the docs in Pennywise. -
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Quasar Framework
Build high-performance VueJS user interfaces in record time
Effortlessly build high-performance & high-quality Vue.js 3 user interfaces in record time. Combine the power of Quasar UI with Quasar CLI. One source code for all platforms simultaneously with all the latest and greatest best practices out of the box. Focus only on your app's features and forget about the boilerplate around it. Build high-performance VueJS user interfaces in record time: responsive Single Page Apps, SSR Apps, PWAs, Browser extensions, Hybrid Mobile Apps and Electron Apps. If you want, all using the same codebase! You get a state-of-the-art UI (that follows Material Guidelines) for your websites and apps out of the box. Best support for desktop and mobile browsers (including iOS Safari!) out of the box. Best-in-class support for each build mode (SPA, SSR, PWA, Mobile app, Desktop app & Browser Extension) and the best developer experience through a tight integration with our own CLI. -
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RPi-Monitor
Real time monitoring for embedded devices
RPi-Monitor is a software designed to monitor the metrics from GNU/Linux systems and connected peripherals. It stores statistics in the local Round Robin Database and embeds a web server allowing it to display current status and statistics. -
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Rancher UI
Rancher UI
Rancher is a complete software stack for teams adopting containers. It addresses the operational and security challenges of managing multiple Kubernetes clusters across any infrastructure while providing DevOps teams with integrated tools for running containerized workloads. We highly suggest making customizations as an ember-cli addon rather than forking this repo, making a bunch of changes and then fighting conflicts to keep it up to date with upstream forever. ui-example-addon-machine is an example addon that adds a custom screen for a docker-machine driver. If there is no way for you to get to what you want to change from an addon, PRs to this repo that add generalized hooks so that you can are accepted. Rancher UI uses Ember CLI Pods for its project structure. We suggest reading the documentation if you have questions about the layout of the Rancher UI project. -
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RapiDoc
RapiDoc - Custom-Element for OpenAPI Spec
Free of any frameworks, setups, configs, build steps or packaging. Can be used with any framework or just with vanilla javascript. Use It just like any other HTML Tag, Change its attribute using JavaScript and see it react to those changes. Basic knowledge of HTML is all that's required. Style it to your heart's content. Change font, logo, colors and theme. Inject external HTML or embed into another HTML document. Minimal dependencies, no runtime, and no virtual DOM ensure the lowest memory consumption, Just native and raw speed of the modern browsers. Loved by tech writers, designers, dev-ops, testers and developers alike, due to its simplicity, interoperability, and powerful features. No special build steps, runtime, or framework required. Comes with built-in the console to Try out the APIs. Supports authentication mechanism. No validation ensures you can test negative cases. -
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ReNative iOS
Unified Development Platform for iOS, tvOS, Android, Android TV
ReNative allows you to bootstrap, develop and deploy apps for mobile, web, TVs, desktops, consoles, wearables and more via a single development environment. Sometimes you need to extend CLI functionality with custom build scripts. ReNative makes this easy for you. Tired of setting up and managing countless of various projects? you can go as simple as most basic json config file to get yourself up and running. ReNative supports integrations for various services and deployment infrastructures for your apps. -
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React Refresh Webpack Plugin
A Webpack plugin to enable "Fast Refresh"
An EXPERIMENTAL Webpack plugin to enable "Fast Refresh" (also known as Hot Reloading) for React components. This plugin is not 100% stable. We're hoping to land a v1 release soon, please help us by reporting any issues you've encountered! Ensure that you are using at least the minimum supported versions of this plugin's peer dependencies - older versions, unfortunately, do not contain code to orchestrate "Fast Refresh", and thus cannot be made compatible. For most setups, we recommend integrating using babel-loader. It covers the most use cases and is officially supported by the React team. If you haven't done so, set up your development Webpack configuration for Hot Module Replacement (HMR). This plugin integrates with the most common Webpack HMR solutions to surface errors during development, in the form of an error overlay. -
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ReactJS Interview Questions
List of top 500 ReactJS Interview Questions & Answers
ReactJS Interview Questions is a curated collection of over 500 commonly asked questions and answers about React and its ecosystem. The repository is designed as a preparation resource for developers preparing for interviews involving React, Redux, React Router, React Native, and related JavaScript technologies. It covers a broad spectrum of topics, from the fundamentals of React components and state management to advanced concepts like hooks, performance optimization, and design patterns. The project also extends into practical integration topics, such as working with APIs and handling routing. Future updates plan to add coding exercises, making the resource even more hands-on for learners. With contributions from the developer community, it serves as a practical guide for interview readiness and continuous skill-building. -
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Recorder
HTML5 js recording mp3 wav ogg webm amr format
Supports microphone recording and real-time processing in most of the implemented getUserMediamobile and PC browsers, mainly including Chrome, Firefox, Safari, iOS 14.3+, Android WebView, Tencent Android X5 kernel (QQ, WeChat, Mini Program WebView) , uni-app (App, H5), and most Android phones updated after 2021 have their own browsers; do not support: UC-based kernel (typical Alipay), most of the old domestic mobile phones that have not been updated have their own browsers and any other form of browser (including PWA, WebClip, any App) on low-version iOS (11.0-14.2) except Safari inside page). Provides multiple plug-in function support. Rich audio visualization, variable speed and pitch processing, speech recognition, audio stream playback, etc.; with powerful real-time processing support, it can be used in various web applications: from simple recording to complex real-time voice Recognition (ASR), and even audio-related games, are handled with ease. -
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Relative-Time Element
Web component extensions to the standard <time> element
Formats a timestamp as a localized string or as relative text that auto-updates in the user's browser. This allows the server to cache HTML fragments containing dates and lets the browser choose how to localize the displayed time according to the user's preferences. Every visitor is served the same markup from the server's cache. When it reaches the browser, the custom relative-time JavaScript localizes the element's text into the local timezone and formatting. Dates are displayed before months, and a 24-hour clock is used, according to the user's browser settings. If the browser's JavaScript is disabled, the default text served in the cached markup is still displayed.
