Showing 146 open source projects for "runtime"

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  • 1
    Preswald

    Preswald

    Python tool for browser-based interactive data apps in one file

    ...It packages application logic, data processing, and user interface components into a single self-contained output, enabling easy sharing and deployment without requiring local dependencies. Preswald leverages a WebAssembly runtime along with technologies like Pyodide and DuckDB to execute Python code directly in the browser environment. This approach allows developers to create dashboards, reports, notebooks, and data tools that are portable, fast, and capable of running offline. Preswald emphasizes a code-first workflow where users define applications entirely in Python while using built-in UI components such as tables, charts, and forms. ...
    Downloads: 0 This Week
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  • 2
    Playwright for Go

    Playwright for Go

    Playwright for Go a browser automation library to control Chromium

    ...Support for web components via shadow-piercing selectors. Native input events for mouse and keyboard. Upload and download files. The bridge between Node.js and the other languages is basically a Node.js runtime combined with Playwright which gets shipped for each of these languages (around 50MB).
    Downloads: 0 This Week
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  • 3
    Mint

    Mint

    A refreshing programming language for the front-end web

    ...When the data in a store changes the connected components are re-rendered. In Mint routing is a language feature instead of a library. Routes can be defined in a routes block, with support for typed path parameters. The runtime handles clicks on anchor tags and navigates in a smart way so you don't have to. You can inline any JavaScript code easily by using bacticks.
    Downloads: 0 This Week
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  • 4
    ESLint-plugin-React

    ESLint-plugin-React

    React specific linting rules for ESLint

    ...If you installed ESLint globally, you have to install React plugin globally too. Otherwise, install it locally. Use our preset to get reasonable defaults. If you are using the new JSX transform from React 17, extend react/jsx-runtime in your eslint config to disable the relevant rules. You should also specify settings that will be shared across all the plugin rules. If you do not use a preset you will need to specify individual rules and add extra configuration. This plugin exports a recommended configuration that enforces React good practices. This plugin also exports an all configuration that includes every available rule. ...
    Downloads: 0 This Week
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  • 5
    why-is-node-running

    why-is-node-running

    For when Node is running but you don't know why

    ...In complex asynchronous code — with timers, open handles, network sockets, file watchers, or unfulfilled promises — it can be tricky to figure out what is preventing the event loop from exiting. This utility inspects the active handles and resources in the runtime, prints a breakdown of open callbacks, sockets, timers, and other tasks, and explains what’s keeping Node running, helping you track down leaks or unintended resource retention. It’s particularly useful during testing, when you expect Node to exit after tests finish, or in long-running servers when you're debugging resource leaks or shutdown logic. ...
    Downloads: 0 This Week
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  • 6
    XAMPP-Lite

    XAMPP-Lite

    Portable/Installer WAMP server including Apache, MariaDB/MySQL, PHP...

    XAMPP-Lite is a lightweight WAMP server for web development (portable & installer, 32-bit & 64-bit). It includes Apache, PHP, MySQL/MariaDB, phpMyAdmin, Adminer, HeidiSQL, and more. Latest versions: PHP 8.5.5 - MariaDB 11.4.10 LTS - Apache 2.4.66 - phpMyAdmin 5.2.3 - Adminer 5.4.2 - HeidiSQL 12.16 - XDebug 3.5.1 - OpenSSL 3.6.2 - Pie 1.4.0, Composer 2.9.5 - Pear/Pecl 1.10.18. System requirements: ─ XAMPP-Lite 8.2 and below: Windows 7 and later (32-bit & 64-bit) ─ XAMPP-Lite 8.5 & 8.4...
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    Downloads: 913 This Week
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  • 7
    VK_Periodic_Table_branch_mmmv

    VK_Periodic_Table_branch_mmmv

    Periodic Table of Chemical Elements that requires an HTTP server.

    ...The Periotic Table of Chemical Elements has been implemented at upstream by Valter Kiisk https://kodu.ut.ee/~kiisk/pertable/pertable.htm and its technology is HTML+CSS+JavaScript. The JavaScript downloads data at runtime, so a HTTP server is needed to view that table of chemical elements. The HTTP server has been bundled to this project.
    Downloads: 0 This Week
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  • 8
    JsAction

    JsAction

    JsAction is a small event delegation library

    JSAction is a JavaScript framework developed by Google that provides a structured, event-driven architecture for managing user interactions in large-scale web applications. It simplifies event handling by declaratively binding actions to DOM elements through HTML attributes, enabling clean separation between markup and behavior. JSAction helps improve performance, maintainability, and reliability by minimizing the use of inline scripts and global event listeners. It is especially useful in...
    Downloads: 1 This Week
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  • 9
    jul-comments

    jul-comments

    JCS - JUL Comment System

    JCS - JUL Comment System is a way of documenting your JavaScript source code while keeping the comments in a separate file. It allows you to associate the comments to any version of the source code and to get the updated commented code. Also, JCS is able to generate and to document the code for an entire JavaScript namespace or DOM tree loaded by a web page. System requirements / Download the desktop app OR: * a CSS2.1 compliant web browser with JavaScript 1.5 or later engine *...
    Downloads: 0 This Week
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    MongoDB Atlas runs apps anywhere

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  • 10
    Frontman

    Frontman

    AI coding agent for visual frontend fixes in your browser

    ...Click any element, describe the change, and Frontman edits the real source files with hot reload. Unlike IDE-only coding tools, Frontman sees the live DOM, component tree, computed CSS, routes, source maps, screenshots, console output, and server logs. That runtime context helps product managers, designers, and frontend teams fix copy, spacing, colors, layout bugs, and internal UI polish without guessing which file owns a rendered element. Works with Next.js, Astro, Vite, React, Vue, Svelte, and SvelteKit. BYOK model support includes OpenAI, Anthropic, OpenRouter, Google, xAI, Fireworks, NVIDIA, and more. ...
    Downloads: 0 This Week
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  • 11
    LombokCharts

    LombokCharts

    Canvas and SVG renderers, LTTB decimation,real-time streaming layer

    LombokCharts A zero-dependency charting library for the browser. It pairs a small grammar-of-graphics core (Data → Scale → Mark) with pluggable Canvas and SVG renderers, LTTB decimation, and a real-time streaming layer — so the same API draws a five-point bar chart or a five-million-point line without changing shape.
    Downloads: 0 This Week
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  • 12
    Neiki's Page Editor

    Neiki's Page Editor

    Visual HTML page editor that renders real HTML and CSS

    Neiki's Page Editor is a lightweight visual page and CMS editor built with pure JavaScript and zero dependencies. It transforms any container into a complete editing environment with accurate HTML and CSS rendering inside an isolated iframe, ensuring pages look exactly as they will in a real browser. The editor includes a modern toolbar, source code view, image and table editing, drag-and-drop tools, autosave, fullscreen mode, localization, and five built-in themes. It supports full HTML...
    Downloads: 0 This Week
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  • 13
    vue3-sfc-loader

    vue3-sfc-loader

    Single File Component loader for Vue2 and Vue3. Load .vue files

    ...Load .vue files directly from your HTML. No node.js environment, no build step. No node.js environment, no (webpack) build step needed. Supports Vue 3 and Vue 2. Supports IE11, only requires Vue runtime-only build. esm and umd bundles are available. Embedded ES6 modules support. JSX support. Custom CSS, HTML and Script language Support, see pug and stylus examples. SFC Custom Blocks support. Properly reports template, style or script errors through the log callback. Focuses on the component compilation. Network, styles injection and cache are up to you. ...
    Downloads: 3 This Week
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  • 14
    Twin

    Twin

    Twin blends the magic of Tailwind with the flexibility of css-in-js

    ...Twin collapses imports from common styling libraries into a single import. Adds no size to your build. Twin converts the classes you’ve used into CSS objects using Babel and then compiles away, leaving no runtime code. Twin chimes in with class and variant values from your Tailwind config. Works with the official tailwind vscode plugin. Avoid having to look up your classes with auto-completion straight from your Tailwind config. Apply variants to multiple classes at once with variant groups.
    Downloads: 0 This Week
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  • 15
    pipeless

    pipeless

    A computer vision framework to create and deploy apps in minutes

    ...You can easily use industry-standard models, such as YOLO, or load your custom model in one of the supported inference runtimes. Pipeless ships some of the most popular inference runtimes, such as the ONNX Runtime, allowing you to run inference with high performance on CPU or GPU out-of-the-box. You can deploy your Pipeless application with a single command to edge and IoT devices or the cloud.
    Downloads: 0 This Week
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  • 16
    gpu_poor

    gpu_poor

    Calculate token/s & GPU memory requirement for any LLM

    ...By analyzing factors such as model size, context length, batch size, and GPU specifications, the system estimates how much VRAM will be required and how fast tokens can be generated during inference. The tool also provides a detailed breakdown of where GPU memory is allocated, including model weights, KV cache, activations, and other runtime overhead. This information allows developers to evaluate trade-offs between different quantization methods such as GGML, bitsandbytes, and QLoRA before attempting to deploy a model. gpu_poor is particularly useful for researchers and hobbyists.
    Downloads: 0 This Week
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  • 17
    Node Fetch

    Node Fetch

    A light-weight module that brings the Fetch API to Node.js

    Instead of implementing XMLHttpRequest in Node.js to run browser-specific Fetch polyfill, why not go from native http to fetch API directly? Hence, node-fetch, minimal code for a window.fetch compatible API on Node.js runtime. See Jason Miller's isomorphic-unfetch or Leonardo Quixada's cross-fetch for isomorphic usage (exports node-fetch for server-side, whatwg-fetch for client-side). If you cannot switch to ESM, please use v2 which remains compatible with CommonJS. Critical bug fixes will continue to be published for v2. Wrapping the fetch function into a try/catch block will catch all exceptions, such as errors originating from node core libraries, like network errors, and operational errors which are instances of FetchError.
    Downloads: 1 This Week
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  • 18
    IPFS JavaScript

    IPFS JavaScript

    IPFS implementation in JavaScript

    ...It's the toolkit to power all your DWeb Applications. js-ipfs works out of the box on Node.js, Electron and any modern browser. It is also customizable by design so that you can use it on your favorite runtime. No feature was left behind. js-ipfs is not a light client, it is the full implementation of the IPFS protocol. IPFS nodes can create network topologies based on topics of interest to broadcast events in realtime. IPFS is designed to use the power of Content Addressing to find the nodes in the network that have the content you are looking for.
    Downloads: 0 This Week
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  • 19
    Nunjucks

    Nunjucks

    A rich and powerful templating language for JavaScript

    ...Rich Powerful language with block inheritance, autoescaping, macros, asynchronous control, and more. Heavily inspired by jinja2. Fast & Lean High-performant. Small 8K gzipped runtime with precompiled templates in the browser. Crazy extensible with custom filters and extensions. Everywhere available in node and all modern web browsers, with thorough precompilation options. Nunjucks allows you to port all of your existing templates from a project to something that's easier to manage. By moving your templates to the client, transfer sizes are reduced and page responsiveness increases significantly. ...
    Downloads: 0 This Week
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  • 20
    iOS Runtime for NativeScript

    iOS Runtime for NativeScript

    NativeScript for iOS using JavaScriptCore

    ios-jsc is a JavaScriptCore framework for iOS, utilized by NativeScript to execute JavaScript code within iOS applications. It provides a high-performance JavaScript engine that enables the execution of JavaScript in a native iOS environment.
    Downloads: 0 This Week
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  • 21
    Just JavaScript

    Just JavaScript

    the only javascript runtime to hit no.1 on techempower

    The only javascript runtime to hit no.1 on techempower.
    Downloads: 0 This Week
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  • 22
    hyper(HTML)

    hyper(HTML)

    A Fast & Light Virtual DOM Alternative

    hyperHTML is a lightweight JavaScript rendering library built as a fast alternative to virtual DOM frameworks. It updates the native DOM directly and uses tagged template literals to combine markup with dynamic values. Developers can bind a renderer to an existing element and refresh only the interpolated parts when data changes. The library works with standard DOM nodes, plain JavaScript data structures, custom elements, and object-based style values. It is available for ESM, CommonJS,...
    Downloads: 0 This Week
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  • 23
    UVU

    UVU

    UVU is an extremely fast and lightweight test runner for Node.js

    UVU is a lightweight, ultra-fast JavaScript test runner for Node.js and the browser created by Luke Edwards (lukeed). Its primary goal is to minimize overhead: startup time, memory usage, and complexity are all kept very low so that developers can write and run tests with minimal friction. The tool supports modern features like async/await and native ES Modules, making it suitable for modern codebases. It also supports running in browser environments, which makes it versatile for frontend...
    Downloads: 0 This Week
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  • 24
    Appium Desktop

    Appium Desktop

    Appium Server in Desktop GUIs for Mac, Windows, and Linux

    ...It is basically a graphical interface for the Appium Server. You can set options, start/stop the server, see logs, etc... You also don't need to use Node/NPM to install Appium, as the Node runtime comes bundled with Appium Desktop. If you're on Windows or macOS, Appium Desktop will automatically provide you with updated versions of the app when they are released. If you encounter a problem updating, simply delete or uninstall the app and re-download the latest. Note that Appium Desktop is not the same thing as Appium. Appium Desktop is a graphical frontend to Appium with additional tools. ...
    Downloads: 12 This Week
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  • 25
    Stitches

    Stitches

    CSS-in-JS with near-zero runtime, SSR, multi-variant support

    CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience. Stitches avoids unnecessary prop interpolations at runtime, making it more performant than other styling libraries. Packed full of useful features like theming, smart tokens, css prop, as prop, utils, and a fully-typed API. Stitches has a fully-typed API, to minimize the learning curve, and provide the best possible developer experience.
    Downloads: 0 This Week
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