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BuiltWith
Opensource BuildersNo Opensource Builders videos yet. You could help us improve this page by suggesting one.
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 Opensource Builders. While we know about 162 links to BuiltWith, we've tracked only 5 mentions of Opensource Builders. 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
You say you only use open-source and Iโm the same way but Iโve asked agents to evaluate open-source alternatives. How is that psychosis? If itโs typescript or JavaScript, I can read the code but if itโs Rust/Go/etc, yeah I get AI to read it and tell me if it can solve my problem or if it has the features I need. Itโs actually the whole premise of my open source alternative directory called Opensource Builders[0].... - Source: Hacker News / about 2 months ago
If youโre open-source, I have a directory you can also submit your product on: https://opensource.builders. - Source: Hacker News / 2 months ago
There is also slant.co , https://opensource.builders/ and https://switching.software/ . Source: over 5 years ago
It needs to be here: https://opensource.builders/. Source: over 5 years ago
There is switching software and open source builders (but they might have a somewhat reduced scope). Source: over 5 years ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Product Hunt - A website that lets users share and discover new products
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Alternative.me - Welcome to alternative.me, the source of better software alternatives. Finding suitable software was never easier.