BuiltWith
Wappalyzer
WhatRuns
Elucify
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KiteDesk
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PullNotifier
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BuiltWith
PullNotifierA 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 PullNotifier. While we know about 162 links to BuiltWith, we've tracked only 1 mention of PullNotifier. 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
The PullNotifier slack app Thoughts: We found this to be the best solution to match our needs. It sent a notification when a pull request was opened (not draft), then updated that same message with the realtime status of the app - so it didn't spam us with messages + we instantly knew when we checked our Slack channel which pull requests were yet to be reviewed/checked. - Source: dev.to / over 2 years ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Axolo - Reduce pull request time & ship code faster
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Axolo for GitLab - Review merge requests faster.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Actioner - Actioner brings Slack-first experience to knowledge workers. Implement cross-tool workflow automation. Utilize your tech stack without any limitations right in Slack.