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JavaScript Utilities

Decode FormData — A utility that decodes complex FormData into a JavaScript object, to help avoid loss of data when using the FormData object for form submissions.

trace-record — A small utility to get the stack trace of the creation of objects, with three API methods – record(), getTrace(), and getTraceRaw().

base62 — Encode and decode strings, bytes, and integers to Base62, which is ideal for URL shortening, creating readable codes, and compact data representation.

undio — A utility to conventionally and safely convert between various JavaScript data types, with support for ArrayBuffer, Base64, Blob, DataView, Number, Array, Text, and more.

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TypeSchema — A universal adapter for schema validation, to help verify the integrity of data fetched from external sources.

VFX-JS — A JavaScript library to add WebGL-powered effects to your website using customary <img> and <video> elements.

WeakValue — A JavaScript Map with weakly referenced values, instead of keys, with an optional onValueCollected callback.

node-xlsx — An Excel file parser and builder for Node.js, based on the popular SheetJS project and built with TypeScript.

@photostructure/tz-lookup — A fast, memory-efficient JavaScript Library for timezone lookup by location, based on latitude and longitude.

Media Tools (SVG, Video, etc.)

KRESKA.art — A free drawing and painting app with layer support, with a compact, Photoshop-like UI, along with its own proprietary file extension and ability to export as PNG.

Graduum — A collection of one hundred high-quality mesh gradients suitable for desktop and mobile use, in JPG format.

Shader Gradient — A design tool to create beautiful moving gradients by adding natural movements and effects to the gradient, available for Framer, Figma, and React.

PatternPad — A platform to build unlimited unique pattern designs for branding, presentations, social media posts, etc., with ability to export in SVG, PNG, or JPG formats.

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React-CRUD-Icons — A set of 67 SVG icons for CRUD applications, hand-picked Material Design Icons, packaged as a React component with light & dark themes and tooltip.

tinyworldmap — A  world map library for offline-first and low-bandwidth web apps, designed to be used with Leaflet, tested to verify no discernible lag on old, low-end devices.

Polarr — An AI-powered photo editing app for iOS and Android that includes dozens of advanced AI enabled tools, and millions of filters.

Nucleo Free Icons — A set of open-source icons in SVG format, categorized under core essential, UI essential, social media, patterns, and more.

Trangram — A free online editor that lets you design and animate motion graphics effortlessly, with exports for MP4, WebM, GIF, PNG, WebP, and more.

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The Uncat­egorizables

From Data to Viz — An interactive guide that helps you deduce the most appropriate graph for your data, with links to the code to build it, and common caveats you should avoid.

tus — An open protocol for resumable file uploads to overcome the fragility of mobile networks and the fragmented solutions in this space.

Vote Feature — A public catalog of products and features that allows builders to manage their product backlog while users search and vote for their favourite features.

vanilla-todo — A clone of the popular todo app called TeuxDeux, built in plain HTML, CSS, and JavaScript, as a case study on viable techniques for vanilla web development.

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Calcish — A Mac app that allows you to quickly do calculations, run JavaScript code, and chat with local or remote AI easily using a notebook interface.

Cobalt — A high-performance, small-footprint platform that implements a subset of HTML5/CSS/JS to run applications, including the YouTube TV app.

Zoraxy — A general purpose HTTP reverse proxy and forwarding tool with a simple to use interface, written in Go.

remark — A markdown processor as a CLI or API, written in JavaScript, powered by plugins, that parses and compiles markdown and lets programs process markdown without the need to compile to HTML.

IP Guide — A free and easy to use API for looking up IP, network, and ASN data, refreshed nightly from authoritative sources.

Commercial Apps & Classifieds