Check if a hostname or URL resolves to a private IP address
Reusable server-side email risk triage engine with deterministic checks and optional LLM analysis.
Node.js native addon for iroh-http (napi-rs)
HTTP content negotiation
mdast utility to transform to hast
Reactive utilities for Embla Carousel
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
NodeJS Forward-confirmed reverse DNS
Dynamic DNS Server
UpMonitor CLI — AI-native website diagnostics and monitoring for your terminal and CI/CD. Run SSL, DNS, security-header, and performance audits from the command line.
CLI tool for managing local DNS and HTTP services with custom `.local` domains. kiset sets up dnsmasq for DNS resolution and Caddy for serving local content, perfect for development environments and local testing.
ECMAScript parsing infrastructure for multipurpose analysis
This repository contains the source code for the [Textpattern support forum](https://forum.textpattern.com/).
An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
A tiny invariant function
Is this an arguments object? It's a harder question than you think.
One stop solution for all BIMI Problems. This package includes fetching of bimi record, parsing the provided/fetched record, validation of BIMI record, generating a new BIMI record
Custom jest matchers to test the state of the DOM
The cli module for subquest scanner.
Validate XML, Parse XML, Build XML without C/C++ based libraries
Unified plugin system for build tools
Fast 3kb React-compatible Virtual DOM library.
A helper to optimistically set Symbol.toStringTag, when possible.