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We recommend LibHunt Ruby for discovery and comparisons of trending Ruby projects. Also, to find more open-source ruby alternatives, you can check out libhunt.com/r/rails
BuiltWith
Ruby on RailsA 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.
BuiltWith might be a bit more popular than Ruby on Rails. We know about 162 links to it since March 2021 and only 151 links to Ruby on Rails. 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
Phoenix is a framework for Elixir, the same way Rails is a framework for Ruby. Its mission is to be a productive framework that doesn't compromise on speed or maintainability. - Source: dev.to / 2 months ago
Laravel, Rails, and Django remain the most battle-tested full-stack frameworks in 2026. - Source: dev.to / 4 months ago
"Empty barrels always make the most sound" says my co-national Alborosie in Poser, and I thought this would not apply to DHH, the creator of Ruby on Rails, because he is not only noisy about his opinions, he is friggin loud as f***. - Source: dev.to / 6 months ago
Kamal is a deployment tool created by DHH, the creator of Ruby on Rails. As stated in their website:. - Source: dev.to / 6 months ago
Django needs a marketing push. I opened the website and immediately it smells like a 2011 web framework. Like CakePHP. Like Zend. Like Kohana. The site makes the project feel extremely dated, which of course I have no idea how true that is, I've never used Django! Just my 2c from an outsider. I compare it to Phoenix and Rails. (again, talking PURELY marketing here dudes!) https://www.phoenixframework.org/... - Source: Hacker News / 7 months ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Django - The Web framework for perfectionists with deadlines
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Laravel - A PHP Framework For Web Artisans
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.