Wombat spotter Jonahss reporting in, thought I saw the page you were looking for at JQuerySF 

Disable 404 pages for Gatsby websites

404 handler for Lad and Koa (best used with koa-better-error-handler)

```ts import { WormSolid } from '@404-software/fontawesome'

Scaffold a @tsparticles/template-404 project — npm create 404

Create a 404 page for TypeDoc-generated doc.

A UI component to display empty states, 404 pages, redirects, etc.

Detect 404/Not found pages from sitemap

Custom 404 error page for KajKowalski Edge.

Add assets for tests easily and avoid 404 network errors.

A better error-handler for Lad and Koa. Makes `ctx.throw` awesome (best used with koa-404-handler)

Codecademy's fancy schmancy 404 page.

Simple replacement for the Netlify plugin `netlify-plugin-no-more-404`

A basic 404 page

Create 404 projects with reusable components.

404 backend

Default 404 Pagelet used if the router cannot dispatch to any route

Crawl a URL to generate a sitemap and find 404 errors with one command

Animated 404 — Oversized 404 hero with the middle 0 swapped for an idle-orbiting glowing eye — the kind of error page people actually screenshot. A customizable CrazyGL animated hero section — WebGL, React, drop-in.

This package provide a function that generates html code for common error pages such as 404, 500, etc.