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Dev tools · June 19, 2014

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Evening hack: open source tool like BuiltWith/Datanyze

Site Lab : Open source website analyzer and technology tracker. Built with Ruby on Rails 4.

Evening hack: open source tool like BuiltWith/Datanyze launched on June 19, 2014 with 20 votes and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.

Visit callmeed.github.io ↗Alternatives

In plain words

Site Lab is an open-source website analyzer and technology tracker built with Ruby on Rails 4. It functions as a replacement for commercial tools like BuiltWith and DataNyze, allowing users to identify the technologies used on websites. The application uses PostgreSQL for data storage and Redis with Sidekiq for background processing. Site Lab is designed for developers and technical professionals who need to analyze website technology stacks.

written from the facts on this page · September 2026

From the sources

Site Lab aims to be an open-source replacement for website analysis tools such as BuiltWith, NerdyData, and DataNyze. Site Lab is a Ruby on Rails application. It uses PostgreSQL as its database and Redis + Sidekiq for background processing (background processing still in the works). There is a live demo on Heroku at http://sitelabdemo.herokuapp.com/ . Please be a good citizen wrt the demo (e.g. try it with real-world data & submit issues if you find a problem). The demo is currently a few commits behind as I haven't had a chance to setup Redis/Sidekiq on Heroku (now used in SiteLab for background processing). It's a Rails 4.1 app, so you'll need a dev environment that supports that (prolly…from callmeed.github.io

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