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BuiltWith
Pattern MonsterPattern Monster's answer:
A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.
Based on our record, BuiltWith seems to be a lot more popular than Pattern Monster. While we know about 162 links to BuiltWith, we've tracked only 11 mentions of Pattern Monster. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You โcreated something that addresses real developer needs with clean logic and thoughtful design.โ Vue.js powers over 1.5 million websites in 2025, a testament to its scalability and developer trust, as reported by BuiltWith. Youโs ability to build a framework independently, without corporate backing, underscores his... - Source: dev.to / over 1 year ago
There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / over 1 year ago
BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / almost 2 years ago
Also, wow that is an obsene amount of libraries they use: https://builtwith.com/?https%3a%2f%2fspectrum.ieee.org%2fdisney-robot-2668135204. - Source: Hacker News / over 2 years ago
I would say run both sites through https://builtwith.com/ to get what all they used in the building process. Source: over 2 years ago
Pattern Monster: A simple online pattern generator to create repeatable SVG patterns. Perfect for website backgrounds, apparel, branding, packaging design and more. - Source: dev.to / over 2 years ago
SVG Patterns (if it counts as illustration:) https://pattern.monster/. Source: over 3 years ago
For the back of the card I'll use and SVG pattern, feel free to use the one you like the most from Pattern Monster. Also center the background image with background-position, and make it cover the full card by adding background-size: cover;. - Source: dev.to / over 3 years ago
I'd like to put together a POC to show some possible solutions. I know there are some tools out there such as https://pattern.monster/ and https://haikei.app/ which can generate images, but ideally this would be a library or at least an API I can hook into, so admins can just create templates in our admin application without having to go to an external site and manually knock a thumbnail up. Although not required,... Source: over 3 years ago
Bonus points for adding a custom background - pattern.monster is a must-use, in my personal, humble opinion. Source: about 4 years ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Patterninja - Create patterns online
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
SVG Stripe Generator - SVG Stripe Generator is an easy-to-use tool that enables you to create unlimited stripes and then download them to the device.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
PatternPad - Create beautiful geometric patterns