Open-source projects tagged “javascript”

Open-source API client that stores collections as plain-text files on your filesystem, an offline alternative to Postman and Insomnia.

Official AI agent skills that teach coding assistants how to use the GSAP animation library correctly.

A starter kit for animating a hand-painted cartoon character with Claude, using p5.js and p5.brush.

Swagger UI generates interactive API documentation in the browser from an OpenAPI specification file.

A JavaScript library that converts JS source code into SVG flowcharts, usable from the browser, Node.js, or the command line.

A curated, language-organized list of tutorials where developers build complete applications from scratch.

An open-source framework for building universal native apps with React that run on Android, iOS, and the web.

A JavaScript library for building interactive web maps that display tiles, vector data and markers from any source.

A JavaScript library for building multiplayer web apps where browsers find each other and connect directly via WebRTC, without running your own server.

A client-side web app that turns any searched location into a customizable, high-resolution map poster with themes, layouts and PNG export.

A minimal vanilla JavaScript library for building draggable, snapping flowchart editors in web apps.

A desktop music player built with Electron that streams audio from YouTube Music, with no accounts and no ads.

A local-first desktop writing assistant that proofreads, rewrites, and formats drafts on your own machine without an account.

Web app that renders every road in a chosen city as a single image, with data from OpenStreetMap.

An agent skill that generates a scroll-scrubbed 3D landing page where the camera flies through a connected, AI-generated isometric world.

A hands-on tutorial series for building AI agents from scratch with local LLMs via node-llama-cpp, without using frameworks.

A pure front-end floor plan tool for arranging furniture, editing walls and switching to a Three.js 3D walkthrough, runs from a single index.html.

A launcher that takes an arXiv paper ID and links out to reading, translation, search and discussion tools, via a web page or Tampermonkey script.

A WebGL reimplementation of the MilkDrop music visualizer that renders Winamp-style visuals in the browser via the Web Audio API.

A curated collection of about 500 ReactJS interview questions with answers, covering core React, Router, Redux, testing and React Native.