Development toolbar and utilities with Sweetlink integration - pure vanilla JS, no framework dependencies

Drop-in toolbar for any website. Annotate the UI and capture selectors, computed styles, React component trees, and screenshots as an agent-ready prompt.

A customizable floating toolbar for React applications. Build and integrate your own dev tools with a draggable interface inspired by the Vercel toolbar. Perfect for adding debugging panels, theme controls, and other development utilities to your app.

No description provided.

App-ops console kit for React — feature flags, personas, scenarios, env context, and safe actions (not a DevTools clone)

Framework-agnostic bottom dev bar with nutrition-label system for rapid prototypes (React 19 + Tailwind v4; works in Next.js, Vite, or any React host)

<div align="center"> <img alt="devbar logo" height="60" src="./assets/devtoolbar.png"> <h1 align="center"> Dev Toolbar </h1> <p>Dev Toolbar is a simple utility that runs in the browser to help you glance at your web application's performance.

Astro dev toolbar plugin: Alt+Click any element, annotate it, copy notes + source context to clipboard for AI agents.

Development bar middleware that shows Git/Heroku info.

Toolbar that provides insights and instrumentations during development of Grind apps.

Easy to use toolbar for your framework CMS or site

A complete EVM chain inside the page, presented to your dapp as a wallet. revm in WebAssembly, real receipts, byte-identical to Anvil.

Mount the Terrarium (chain in a Worker, EIP-6963 wallet, dev bar) from a React tree, for projects that cannot use the Vite plugin.

A drop-in developer toolbar component for React apps. Starts out as a small square button (bottom-right by default); clicking it expands into a horizontal toolbar of developer-configured tools, where each tool button opens its own pane of custom content.