Capture RUM - timers, events, navigation timing, resource timing.

Add Floating UI functionality to Alpine 3.x components.

Multi-agent orchestration for AI coding agents, designed to survive failure — a plain-file brain, git as the only durable layer, cheap subagent fleets, and guardrails enforced in code.

A React hook that traps keyboard focus inside a subtree (modals/dialogs) — Tab/Shift+Tab cycling, initial focus, and focus restore on close

A react hook to trigger callbacks on specified key combo with mousetrap

Hono security middleware: honeypot path blocker and mini WAF that stops vulnerability scanners (nuclei, nikto, sqlmap, dirbuster, wpscan), bad bots, and brute-force probes before they reach your routes. Optional IP strike/ban plus AbuseIPDB reporting. Zer

Shared behaviors for JavaScript components

Developer friendly JS Errors

Spam Scanner - The Best Anti-Spam Scanning Service and Anti-Spam API

DOM trap for a focus

rehype plugin to automatically add `target` and `rel` attributes to external links

Spam Assassin public mail corpus.

Copy text to the clipboard in modern browsers (0.2 kB)

A focus trap library that pierces that shadow dom. So you can use it with native web components. Deep Focus Trap is a lightweight library written in vanilla js with only one dependency (that is tree-shakable if not in use).

Prevents screen reader's virtual cursor from leaving the confines of an element

JavaScript linter module for Uber projects

Compare string arrays

A remotely reflected Foreign Function Interface

A collection of accessible, free, open-source web components for building Brightspace applications

Kong's open-source markdown renderer and live editor