Web Tools #588 - JavaScript Utilities, SVG, React Native

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JavaScript Utilities

Cacheable — A robust, scalable, and maintained set of caching packages for Node.js that can be used in various projects.

dead-or-alive — A small utility for Node.js and the browser to check if URLs are dead or alive, mainly useful for documentation or similar to ensure links aren't broken.

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Pechkin — A modern, asynchronous, flexible and configurable Node.js library for handling file uploads (i.e. multipart/form-data requests), written in TypeScript.

fast-grid — A multithreaded web table component for JavaScript that's capable of running 120fps while sorting/filtering/scrolling simultaneously.

fdir — A fast and hackable directory crawler and globbing library for Node.js that crawls one million files in less than one second.

Storage — A client-side storage utility that provides a set of adapters that normalize across various client storage mechanisms with a consistent key-value API.

super-regex — A utility for Node.js to make a regular expression time out if it takes too long to execute.

ts-blank-space — A small, fast, pure JavaScript type-stripper that uses the official TypeScript parser.

loop-once — A safer loop to iterate synchronously or asynchronously any unique identifier, addressing a specific use case (see demo code).

Media Tools (SVG, Video, etc.)

Avaaatars — A large library of 600+ free photo avatars, with customizable backgrounds and border shape, available in Figma, PNG, Sketch, Adobe XD, or as a Figma plugin.

Logoipsum — A library of 100 free logo placeholders in various styles, fonts, colors, etc., that you can try out directly on the page and download as SVG.

CoolShapes — A set of 100+ abstract shapes with a grainy or smooth gradient, available as SVG, PNG, React/JSX, or Figma.

Frame0 — A native Mac, Windows, or Linux app to sketch your app ideas and wireframes using a hand-drawn style, so you can quickly express a UI concept.

Video-to-ASCII — Upload a video or use your webcam to convert the video to a text-based or ASCII version of the video, which you can then export as MP4.

Isocons — A large set of isometric icons, categorized, searchable, and customizable using fill settings, sharp/round edges, stroke width, etc.

Endless Tools — A web-based design and animation app with a constantly updated collection of ready to use fonts, visual effects, shapes, and 3D objects.

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svg.wtf — An SVG playground for learning to use SVG with an interactive canvas for dealing with the different parts of the SVG syntax.

alphaTab — A cross platform music notation and guitar tablature rendering library, which you can use in your own website or app to load and display sheet music and tabs.

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React Native & Mobile Tools

Galeria — A React Native image viewer component with a simple API featuring pinch or double-tap to zoom, shared element transitions, and more.

React Native QRCode Skia — A lightweight and high-performance QR code generator component for React Native, powered by the Skia rendering engine.

react-native-localize — A toolbox for implementing React Native app localization with support for react-native-web.

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trace — A directory to find, remix and create SwiftUI components then export into your XCode project.

react-native-vercel-ai — A package for React Native that allows you to run the Vercel AI package on React Native, Expo, web, and universal apps.

My React Native Playground — A collection of various React Native UI components and animations (e.g. ScrollableTimePicker, PasswordInput, ScrollNumbers, etc).

React Native Packages Guide — A curated list of React Native packages divided into 30+ categories.

React Native visionOS — A full fork of the main React Native repository with changes needed to support visionOS, a mixed-reality operating system for Apple Vision Pro.

Commercial Apps & Classifieds