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BuiltWith
TrimA 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 Trim. While we know about 162 links to BuiltWith, we've tracked only 3 mentions of Trim. 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 / about 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 / about 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
I tried Trim (asktrim.com) when my Spectrum bill went up and it got me a lower price. Source: almost 4 years ago
Have you tried asktrim.com? You send them the bill, they negotiate a better rate, you pay them 15% of the annual savings. And they'll keep coming back for more cuz it helps them too. They've renegoticated my cell bill 4 times in 2 years and saved me over $1,400, and charged me about $450. I only give them the bill after I've done what I can to reduce it, so anything more is a net win. Source: about 4 years ago
I know that asktrim.com truebill.com and donotpay.com do this. There are probably others. 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.
Rocket Money - Find your paid subscriptions and cancel with one click
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Bobby - Keep track of your subscriptions
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
PocketGuard - PocketGuard categorizes and organizes your expenses, monthly bills and subscriptions into clear, beautiful tabs and graphs, so you will always be on top of your finances.