The MQTT client for Node.js and the browser
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
:cloud: Sync your bookmarks privately across browsers and devices
An open-source browser extension for bilingual translation. 一款开源的浏览器双语翻译插件。
All of source code of Floorp 12, the most Advanced and Fastest Firefox derivative 🦊
A lightweight, cloud-native GIS platform for visualizing, exploring, and analyzing geospatial data. It runs in the web browser, on the desktop, on mobile, and inside Jupyter notebooks.
The all-batteries-included GitHub SDK for Browsers, Node.js, and Deno.
🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
WAHA - WhatsApp HTTP API (REST API) that you can configure in a click! Multiple engines: WEBJS (browser based), NOWEB (websocket nodejs), GOWS (websocket go), WPP (browser)
🐨 Elegant Console Logger for Node.js and Browser
Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.
Monitor browser logs directly from Cursor and other MCP compatible IDEs.
Open-source AI coworkers that each get a computer of their own: a browser, files and tools, with every action decided before it happens and recorded after. Bring any AG-UI agent.
"Sigma File Manager" is a free, open-source, quickly evolving, modern file manager (explorer / browser) app for Windows and Linux.
A Claude Skill to give your agent the ability to use a web browser
Blocks specific sites from appearing in Google search results
一款跳过小电视视频中恰饭片段的浏览器插件,移植自 SponsorBlock。A browser extension to skip sponsored segments in videos, ported from the SponsorBlock
Easily generate and modify .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.
A browser based Pokémon fangame heavily inspired by the roguelite genre.
ScriptCat, a browser extension that can execute userscript; 脚本猫,一个可以执行用户脚本的浏览器扩展
Terminal in browser over http/https. (Ajaxterm/Anyterm alternative, but much better)
OpenReel Video - Professional browser-based video editor. Open source CapCut alternative. 100% browser-based, no installation, no cloud uploads, no watermarks.
Highlight and capture the web in your favorite browser. The official Web Clipper extension for Obsidian.
A personal agent with a browser, terminal, files, and work that keeps going built with CopilotKit and AG-UI.
A Canvas/SVG-based rich text editor
The cross-browser extension framework.
A 3D CAD running entirely in the browser
Open-source PDF generation library built with TypeScript and React. Features a WYSIWYG template designer, PDF viewer, and powerful generation capabilities. Create custom PDFs effortlessly in both browser and Node.js environments.
Undetected version of the Playwright testing and automation library.
Wasm powered Jupyter running in the browser 💡
Authenticator generates 2-Step Verification codes in your browser.
A JavaScript implementation of a web browser without its graphical user interface
AdGuard browser extension
A list of tools that are open-source, in-browser, and require no-signups!
Build cross-browser extensions with native HMR and zero-config setup
A real browser inside your terminal
Chrome extension & CLI to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP
全能协议分析工具:浏览器抓包 + MITM 代理 + 指纹伪装 + AI 分析 + MCP Server 无缝对接 AI Agent/IDE | All-in-one protocol analysis toolkit — built-in browser capture, MITM proxy, JS hooks, fingerprint spoofing, AI analysis & MCP server for agent integration
E 站注射器,将中文翻译注入到 E 站体内
A browser extension that helps users publish content to multiple social media platforms with one click.
a fast, modern browser for the npm registry
Free, open-source screen sharing for private live streams with friends. Watch together in a browser or self-host Piik. 免费开源的私密屏幕共享,支持游戏直播、一起看电影与自部署。
Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.. Discord: https://discord.gg/3mARjJrh4E
Atomic Agent is a local-first AI agent. Runs open-weight models on your own machine via llama.cpp.
Decode JWT tokens; useful for browser applications.
Privacy-first password manager with built-in email aliasing. Fully encrypted and self-hostable.
ADB in your browser
Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.
Mobile web browser providing access to websites that use the Ethereum blockchain
ProseMirror toolkit for React 🎉
Ghostty for the web with xterm.js API compatibility
An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js and Browser
Online browser-based RTS game
The Homebridge UI. Monitor, configure and backup Homebridge from a browser.
A better file browser and calendar inspired by Apple Notes, Bear, Evernote and Day One.
Create professional demos and 3D mockups in seconds, directly in your browser
Firefox/Chrome browser extension. SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
Elasticsearch gui - desktop app, browser extension, docker, self hosted
Self-learning agent browser