Issue #638  (JS Libs, Testing, Build Tools)10/09/25

JavaScript Libraries & Frameworks

dagger.js — A lightweight, zero-boilerplate, pure runtime front-end framework built for developers who value simplicity and performance, with no virtual DOM, no compilation step, and no complex abstractions, just a clean, declarative UI.

Andromeda — A modern, fast, and secure JS/TS runtime built from the ground up in Rust and powered by The Nova Engine, with zero-config TypeScript support, hardware-accelerated graphics, and developer-first tooling.

Sidequest.js — A modern, scalable distributed background job processor for Node.js apps, built with TypeScript, providing reliable job processing with multiple database backends, a beautiful web dashboard, and comprehensive monitoring capabilities.

Code Faster by Voice — Flow turns your voice into code, docs, and AI prompts. Syntax-aware, variable-smart, and built for devs. Dictate in Cursor, VS Code, or Claude – without breaking your flow. SPONSORED

Gracile — A thin, full-stack web framework featuring file-based routing, SSR, custom elements, SSG support, client-side routing, and support for Node.js, Vite, and Lit.

GenKit — An open-source framework for building AI-powered apps in JavaScript, Go, and Python, offering SDKs for each language, built and used in production by Google.

MathJax — A JavaScript display engine for mathematics for LaTeX, MathML, and AsciiMath notation that works in all modern browsers, with built-in support for assistive technology like screen readers, including automatic speech generation.

RippleJS — A TypeScript UI framework that combines the best parts of React, Solid, and Svelte into one package, with reactive state, component-based architecture, JSX-like syntax, scoped styles, and lots more.

Juris — A JavaScript unified reactive interface solution, described as the first and only non-blocking reactive object framework for the web.

Testing & Debugging Tools

AI Code Detector — An online tool to detect AI-generated code regardless of its source, with support for TypeScript and Python and boasts 95% accuracy.

StreamTest — A Chrome extension for testing and monitoring WebRTC video streams in real-time, offering detailed analytics about video stream quality, including FPS, bitrate, packet loss, delays, and more.

Techpresso — Get a daily rundown of what's happening in tech and what you shouldn't miss, read by 400,000+ professionals from Google, Apple, OpenAI, and more. SPONSORED

TypeScript Result — A powerful Result type for error handling in TypeScript that transforms try-catch blocks into elegant, type-safe code, catching bugs at compile time while making async operations seamless.

Quickstrom — An autonomous testing tool for the web that automatically explores your app and finds problems according to a specification, with ability to find problems in any type of web app that renders to the DOM.

Accented — A drop-in frontend library for continuous accessibility testing and issue highlighting, powered by Axe, that interactively displays callouts next to elements on your pages with accessibility issues.

Am I Visible on AI? — Enter a URL and this tool will provide an AI accessibility score, indicating if the URL is visible to ChatGPT, Claude, and Perplexity, and offering suggestions for improvements.

RegExp Equivalence Checker — A web tool that lets you enter two JavaScript regular expressions to determine whether the expression match exactly the same strings, otherwise, example strings are shown that match either expression but not both.

Voiden.md — A native app for Windows, Mac, and Linux to define, test, and document APIs, with no account, no lock-in, no telemetry, just Markdown, Git, hotkeys, and your specs.

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Build Tools, Bundlers, etc.

eslint-plugin-depend — An ESLint plugin for suggesting optimisations in choice of dependency, native equivalents, etc., to help detect dependency tree bloat and redundant polyfills.

ESLint Markdown Language Plugin — Official Markdown plugin for ESLint, enabling you to lint JavaScript code blocks in Markdown documents.

npq — A CLI tool that allows you to safely install npm packages by auditing them before the install stage, performing steps to ensure the package is safe.

Seven Point Sunday — Get 7 ideas to build your career every Sunday. Life hacks, passive income, AI prompts, book/music picks. From Kabir Sehgal, 16x Grammy winner and NYT bestselling author. SPONSORED

r2dec-js — A JavaScript-based decompiler that converts assembly code into pseudo-C, to aid users in understanding assembly, making low-level programming more accessible.

Open Lovable — An AI-powered tool to clone or recreate any website as a modern React app in seconds.

simple-live-reload — A lightweight JavaScript helper for automatically reloading the page when changes are detected in local files, perfect for simple static sites.

ts-regexp — A RegExp wrapper providing stronger type safety. All standard RegExp methods work exactly as expected, but with equivalent or improved typing.

PacBao — A tool to build lightweight (less than 5MB) desktop and mobile applications using HTML, React, Vue, etc., with support for Mac, Windows, Linux, Android, and iOS.

Commercial Apps & Classifieds