Issue #634  (React, Testing, Uncats)09/11/25

React Tools

Rooks — A collection of 100+ React hooks covering a number of categories including animation/timing, browser APIs, debugging, events, file handling, state, and more.

MultiSelect Component — A customizable multi-select component for React, useful for custom dropdowns, tagging functionality, etc.

next-validate-link — A simple tool that ensures all Markdown links in your Next.js, Astro, and Nuxt app are valid and up-to-date.

Visual Testing Tool for Frontend Teams — Catch design system violations with automated visual diffs, screenshot comments, and build review assignments. Built for designer-developer collaboration on actual implementations. Includes TDD CLI for development workflow. SPONSORED

@playcanvas/react — A thin wrapper around PlayCanvas, a WebGL game engine, offering a batteries included library for building interactive 3D content in React.

icomp — A CLI and UI tool for developers to generate React functional icon components from SVG files, with support for SVG attributes and props, paste from code/file or Figma, and more.

React Form Builder — A versatile React and React Native library designed for crafting drag and drop form builders and JSON schema forms, which also lets you generate dynamic UI from JSON schema and any other builders you envision.

Tiptap UI Components — A library of modular, MIT-licensed React components, templates, and primitives that help you build rich text editor UIs faster, on top of the headless Tiptap framework.

Warka — A framework for building e-ink displays using React as a frontend and Python as a backend.

Testing & Debugging Tools

PortNote — A local service and web interface that gives you a clear, organized view of your entire port landscape, to help you see which ports are in use.

TypeScript Coverage Report — A Node command line tool for generating TypeScript coverage reports, which aims to fill the gap in some of the missing type coverage reporting for similar tools.

Visual Testing Tool for Frontend Teams — Catch design system violations with automated visual diffs, screenshot comments, and build review assignments. Built for designer-developer collaboration on actual implementations. Includes TDD CLI for development workflow. SPONSORED

Alertzy — An AI assistant for smarter server monitoring and alerting, allowing you to monitor up to 5 servers free, with real-time metrics, bandwidth tracking, system information, uptime tracking, and more.

Params Editor — A Chrome extension that offers a UI for easily editing and updating URL query string parameters with expandable long URL display, Boolean toggle, a JSON editor, and more.

React Axe Reporter — A React-based reporter that integrates with axe-core accessibility checker to report any web accessibility issues that might make it hard for people with disabilities to use your application.

Broken-Links Scanner — A Chrome extension that lets you select an area, on a page and trigger the extension to check for any broken links in the selected area.

be-a11y — A Node.js-based CLI tool and GitHub Action designed to scan and report common accessibility issues in HTML projects, with support for both local directory scanning and remote URL analysis.

Patchright — A patched and undetected version of the Playwright testing and automation framework that can be used as a drop-in replacement for Playwright.

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The Uncategor­izables

Formix — A platform that lets you build secure, responsive forms, and collect submissions directly in your Google Sheets, with no coding required.

DevTools Desktop — A native suite of 20+ offline-first developer utilities for macOS, Windows, and Linux, featuring text/code tools, file converters, code generators, and more.

Visual Effect — A gallery of beautiful, interactive examples demonstrating features from the popular Effect TypeScript library.

WarGames Terminal Fonts — A set of three terminal fonts designed to mimic the typeface used in the popular 1983 movie WarGames, famous for its use of terminal commands in the main plot.

SecretSpec — A secrets management solution that attempts to solve some of the problems in other solutions like vendor lock-in, runtime failures, poor developer experience, and inconsistent practices.

Meco — Enjoy newsletters in a space designed for reading. Meco is a distraction-free space for reading and discovering newsletters, separate from the inbox. Add your newsletters in seconds and liberate your inbox today! SPONSORED

ohyaml.wtf — An interactive 22-question quiz that tests how good is your knowledge of YAML.

Schedy — An open source, self-hostable, ultra-lightweight HTTP task scheduler that lets you schedule HTTP POST requests to any endpoint at any time, with custom headers and payloads.

Rybbit — A next-generation, open source, lightweight, cookieless web and product analytics platform, as a replacement for Google Analytics or similar. The hosted solution offers the first 10,000 events per month free.

Commercial Apps & Classifieds