Screen recordings, shot like film. A free Mac screen recorder with a virtual camera that tilts, zooms and follows your cursor.
Dual-agent ordering-decision arena with a McDonald's China MCP client; labeled scenario-data demo; live calls and schema mapping await token verification.
🌈 React for interactive command-line apps
Create polished demo videos without editing skills. Mac/Windows/Linux
The instant on-demand atomic CSS engine.
✉️ Send e-mails with Node.JS – easy as cake!
GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.
The developer platform for on-demand cloud development environments to create software faster and more securely.
React Native UI library built on the Eva Design System: 30+ themeable, accessible components for iOS, Android and web. TypeScript, React 19 / RN 0.81, Eva and Material themes with runtime light/dark switching, on-demand style compilation.
A React-based library for creating sleek presentations using JSX syntax that gives you the ability to live demo your code.
Review-first terminal diff viewer for agentic coders
Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.
:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.
A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.
Open-source AI video localization and dubbing for YouTube/Bilibili: speech recognition, subtitle translation, voice cloning, audio mixing and rendering. 开源 AI 视频翻译配音工具。
Record your screen, ship a demo. Free and open-source, GPU-accelerated, no watermarks, no subscriptions. Windows, macOS, Linux. Actively maintained.
Extract any website’s design system into tokens in seconds: logo, colors, typography, borders & more. One command.
Example projects that demonstrate how to use Expo APIs and integrate Expo with other popular tools
:tada:vue搭建移动端开发,基于vue-cli4.0+webpack 4+vant ui + sass+ rem适配方案+axios封装,构建手机端模板脚手架
This repository contains the OpenTelemetry Astronomy Shop, a microservice-based distributed system intended to illustrate the implementation of OpenTelemetry in a near real-world environment.
An open-source research agent system for your Zotero library.
An ongoing collection of React Native animations crafted with Reanimated, Gesture Handler, and Skia.
Paisa – Personal Finance Manager. https://paisa.fyi demo: https://demo.paisa.fyi
Create professional demos and 3D mockups in seconds, directly in your browser
CodeMirror 6 component for React. @codemirror https://uiwjs.github.io/react-codemirror/
nw_wrld is an event-driven sequencer for triggering visuals using web technologies. It enables users to scale up audiovisual compositions for prototyping, demos, exhibitions, and live performances. Users code their own visual modules, then orchestrate them using the project's native UI composer.
Companion application for your Counter-Strike demos.
🚀 Framework for next generation web apps using micro frontends. ⭐️ Star to support our work!
Ever® Demand™ - Open Commerce Platform - https://everdemand.co
Angular (>=2) components for the Quill Rich Text Editor
【Zotero AI 管家】调用大模型,自动精读论文库里的论文,总结为Zotero笔记。支持主流大模型平台!您只需像往常一样把文献丢进 Zotero, 管家会自动帮您精读论文,将文章揉碎了总结为笔记,让您“十分钟完全了解”这篇论文!
ClassroomIO is an Intelligent Customer Training Platform that helps SaaS companies use education to grow their business.
An open-source engine for P2P streaming of live and on demand video directly in a web browser HTML page
Decode mime formatted e-mails
Convert any web page to clean, readable Markdown with just one click.
一个英语单词学习网站
Perseus is Khan Academy's exercise question editor and renderer.
Machine learning powered Karaoke app (with scores!)
mediasoup official demo application
Classifies GPUs based on their 3D rendering benchmark score allowing the developer to provide sensible default settings for graphically intensive applications.
Lightweight (~1.5 MB) open-source screen annotation with click-through mode and keyboard-first shortcuts. For demos, teaching, meetings & screen recording. Windows, macOS.
Stripe Elements and Checkout as Vue components
A self-hosted Markdown notebook that runs entirely on Cloudflare Workers.
An assortment of assets that demonstrate features and capabilities of the glTF format
Give your demos the spotlight they deserve ( Mac/Windows/Linux ).
A Monorepo for My ( :earth_asia: Personal Website / :microscope: Academic Profile ) and { Other Related Projects }
Bring your Zotero library into Obsidian. Create literature notes, insert citations, and annotate PDFs without leaving your vault.
Technical indicators to run technical analysis with JavaScript & TypeScript. 📈
A free, open-source subdomain service for developers to launch APIs, demos, and side projects without buying a domain
Create custom SMTP servers on the fly
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Sell one off drops, or run your own store with 1000's of products print on demand.
Self-hosted mission control for AI coding agents: run Claude Code, OpenCode, Pi, Codex, and Antigravity & Gemini CLI 24/7, from any device, watch every subagent live
Ride The Lightning - A full function web browser app for LND, C-Lightning and Eclair
AI Dataset Generator – Create realistic datasets for demos, learning, and dashboards
This is a boilerplate/template for a Playwright-Typescript framework for web UI, API, mobile emulation, DB, and visual testing. Docker image, SonarQube, Lighthouse, GitHub Actions setup with Slack notifications are also implemented.
Kaetram is an open-source 2D HTML5 MMORPG. It is an extended version of BrowserQuest (BQ).
🔥 ReactPress - The publishing system for React developers.(面向 React 开发者的发布系统。)Demo:https://www.gaoredu.com
The TypeScript compiler with --watch and a new onSuccess argument
This repository contains a suite of developer utilities and demos designed to support the adoption of the WebMCP API.