What MooTools does

MooTools is an open-source, MIT-licensed JavaScript framework originally created in 2006 by Valerio Proietti and maintained since by a globally distributed team of volunteer core developers. The project is structured around two repositories: MooTools Core, which provides the foundational utilities for DOM manipulation (Element), class-based object-oriented programming (Class), event handling, Ajax requests (Request), animations and effects (Fx), the Slick selector engine, and type extensions; and MooTools More, an official plugin layer adding Drag/Slider, Form validation, Locale/internationalization, keyboard shortcuts, HTML table enhancements, and additional Request utilities including JSONP and Queue. Supporting tooling includes the web-based MooTools Builder for custom builds, the PHP-based Packager CLI, and the MooTools Forge plugin repository, along with three published books and community resources such as a blog, Google Group, Stack Overflow tag, and the third-party MooTorial.

MooTools targets intermediate-to-advanced JavaScript developers building cross-browser interactive web applications, distinguishing itself through a modular architecture, an elegant coherent API, and an emphasis on code readability and extensibility. Its value proposition centers on reducing cross-browser compatibility code, providing consistent DOM/Ajax/effects APIs, and enabling Object-Oriented JavaScript development via inheritance, mixins, and an options/events pattern (with Class.Thenable added in 1.6.0 for Promise-style flows).

The business model is open source with no commercial revenue stream: the framework is distributed free via GitHub, the official website download builder, and Google CDN, with no pricing tiers, subscriptions, or paid offerings. There is no institutional investment, no parent company, no subsidiaries, and no disclosed revenue. Marketing is community-led, relying on GitHub, blog content, Twitter/Facebook, the user Google Group, Stack Overflow, The MooTorial, and published books rather than any commercial go-to-market motion.

Name

MooTools

Legal name

MooTools Developers

Website

https://mootools.net

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

MooTools is an MIT-licensed open source JavaScript framework (founded 2006) providing modular DOM manipulation, event handling, Ajax, animations, and class-based OOP for intermediate-to-advanced web developers, distributed free via GitHub and CDN with no commercial revenue model.

Ownership category

akta.pro rank

GTM type

B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Operations, Marketing or Sales

Revenue model

1. Open Source Distribution: MooTools is distributed free of charge under the MIT Open Source license. There is no commercial revenue model; the project is maintained by volunteer contributors and the community.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

MooTools is a compact, modular, Object-Oriented JavaScript framework designed for intermediate to advanced JavaScript developers. It provides a unified API for DOM manipulation, Class-based object-oriented programming (with inheritance, mixins, and Class.Thenable for Promise-style flows), cross-browser event handling with delegation and pseudo events, Ajax functionality via a Request wrapper supporting JSON/HTML/JSONP, and an Fx animation framework for transitions and effects. The framework is distributed free of charge under the MIT Open Source license in two components — MooTools Core and MooTools More — supported by a web-based Builder for custom builds, a PHP-based Packager tool, and the Forge community plugin repository.

Product overview

MooTools is an open-source JavaScript framework released under the MIT license, consisting of a modular architecture with Core and More components. MooTools Core provides the foundational framework with DOM manipulation (Element), event handling (Events), class-based OOP (Class), animations (Fx), AJAX (Request), type extensions, and Slick selector engine. MooTools More extends Core with additional UI components including Drag/Slider interfaces, Form validation, HTML table enhancements, keyboard shortcuts, localization (Locale), and advanced Request utilities. The ecosystem includes a web-based Builder for custom builds, a PHP-based Packager CLI tool, and the Forge plugin repository. Several published books support developer learning including 'Pro JavaScript with MooTools', 'MooTools Essentials', and 'MooTools 1.2 Beginner's Guide'.

Differentiator

Problem solved

Functional benefit

Brands

• MooTools Core: The base MooTools JavaScript framework providing core utilities, DOM manipulation, and class system.
• MooTools More

Products and services

• MooTools Core The main MooTools JavaScript framework providing compact, modular, Object-Oriented JavaScript utilities for DOM manipulation, event handling, AJAX (Request), animations (Fx), type extensions, and Class-based OOP, distributed free of charge under the MIT license to intermediate-to-advanced JavaScript developers.
• MooTools More The official plugin repository extending MooTools Core with additional UI components including Drag/Slider, Fx effects, Form validation, HTML table enhancements, keyboard shortcuts, localization (Locale), and Request utilities like JSONP and Queue, distributed under the MIT license to JavaScript developers building on top of MooTools Core.
• MooTools Builder Web-based build tool that allows JavaScript developers to select specific MooTools modules and download a customized build of MooTools Core to avoid unnecessary code, with options for compression, compatibility layers (1.2, 1.3), and IE-specific code blocks.
• MooTools Packager A PHP-based build tool that concatenates builds, allows excluding browser-specific code blocks (IE, legacy compatibility), and supports modular component selection for optimized file sizes, targeted at developers building custom MooTools distributions.
• MooTools Forge The official MooTools plugin repository where community members can publish and share MooTools plugins and extensions for use by other developers in their MooTools-based projects.
• Pro JavaScript with MooTools Published book by Mark Obcena covering advanced MooTools features and JavaScript internals, featuring a foreword by MooTools founder Valerio Proietti, targeted at intermediate-to-advanced JavaScript developers using MooTools.
• MooTools Essentials Official MooTools reference book for JavaScript and Ajax development, covering effects and Ajax implementation, targeted at developers seeking a comprehensive guide to building with MooTools.
• MooTools 1.2 Beginner's Guide Beginner's guide book for creating cross-browser web applications using MooTools, requiring no prior MooTools familiarity, targeted at developers new to the MooTools framework and available through Packt Publishing.

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Scale indicators1 record

Recent moves5 records

Expansion highlights3 records

Direct peers

• Knockout.js: A lightweight JavaScript library implementing MVVM patterns with declarative bindings. It competed in the same era and for the same intermediate-to-advanced developer audience building dynamic, interactive web UIs.
• Ext JS: An enterprise JavaScript framework for building data-intensive web applications with a comprehensive component library. Like MooTools, it serves advanced developers building cross-browser interactive applications, though with a heavier commercial footprint.
• Ember.js: A productivity-oriented JavaScript framework emphasizing convention over configuration and a coherent API. Its positioning for ambitious web applications and its focus on developer ergonomics overlap meaningfully with MooTools' value proposition.
• jQuery: The dominant general-purpose JavaScript library of the same era as MooTools, providing DOM manipulation, events, and Ajax with broad browser compatibility. It is the most directly comparable framework in scope, target audience (intermediate-to-advanced web developers), and historical positioning.
• Backbone.js: A lightweight JavaScript framework providing models, views, and collections for structuring client-side applications. It targeted the same intermediate-to-advanced developer audience as MooTools and was a direct alternative in the early 2010s.
• YUI (Yahoo User Interface Library): A comprehensive JavaScript and CSS library from Yahoo that, like MooTools, provided utilities, widgets, and effects for building rich web applications. It targeted the same era and developer base and was eventually deprecated, illustrating the lifecycle risk MooTools faces.
• Prototype.js: An early modular JavaScript framework that, like MooTools, extended JavaScript's native types and provided DOM and Ajax utilities. It competed head-to-head with MooTools in the late 2000s and targeted the same developer persona.
• Dojo Toolkit: A modular, enterprise-oriented JavaScript toolkit offering DOM utilities, widgets, and a class system. Its scope, modular packaging, and intermediate-to-advanced developer audience closely mirror MooTools' positioning.

Broad incumbents

• Vue.js: A modern progressive JavaScript framework that explicitly positioned itself as an approachable alternative to heavier frameworks. It addresses the same developer use cases (DOM interactivity, components, reactivity) that MooTools once served, but as part of a much broader ecosystem.
• React: The dominant modern JavaScript framework for building user interfaces. It has absorbed much of the developer mindshare that once belonged to DOM-utility libraries like MooTools and is the principal competitive threat to the framework's continued relevance.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/mootools
• GitHubgithub.com/mootools
• Facebookfacebook.com/mootools

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MooTools