37signals

Statistics based on 3.6M+ analyzed websites. About this data

🔍 Overview

JavaScript libraries ²Performance ²Backend frameworksFrontend frameworksIssue trackingLegacyOnline collaborationPlatformsProject management

We track 5 technologies owned or developed by 37signals LLC that are used across the web.

#	Technology	Reach
1	Ruby on Rails A full-stack web application framework that provides the tools needed to build database-driven applications using the Model-View-Controller pattern. FreeOpen source	3%
2	Turbo A lightweight JavaScript library that provides the speed and feel of a single-page application without requiring developers to write any JavaScript. FreeOpen source	0.1%
3	Turbolinks A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.1%
4	Stimulus A JavaScript framework designed to enhance static or server-rendered HTML by connecting JavaScript controller classes to DOM elements via data attributes. FreeOpen source	0.1%
5	Basecamp A web-based project management and team collaboration tool that centralizes communication, tasks, files, schedules, and check-ins in one organized workspace. Free$15+/user/month	0.002%

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 3,603,958 websites.
Statistics were last calculated on August 3, 2026.
For more details, see our methodology and disclaimer.