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Wappalyzer
WhatRuns
Elucify
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KiteDesk
Lead Forensics
GetResponse
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Brevo
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BuiltWith
GetResponseGetResponse is ideal for small to medium-sized businesses, entrepreneurs, and digital marketers who need a versatile and user-friendly platform for managing their email campaigns and other marketing activities. It's also well-suited for those looking to integrate webinars into their marketing strategy.
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 GetResponse. While we know about 162 links to BuiltWith, we've tracked only 1 mention of GetResponse. 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
Iโm talking about being dependent on autoresponders like Aweber, GetResponse, or Mailchimp. 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.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!