---
title: TYPO3 Content Management System Explained
url: "https://typo3.com/typo3-cms/what-is-typo3"
description: "Discover TYPO3 CMS: a secure, scalable, open-source content management system for websites, intranets, and enterprise applications with long-term support."
image: "https://typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-com.jpg"
date: 2025-04-15
modified: 2025-11-19
categories:
  - The Project
---

# TYPO3 Content Management System Explained

What is TYPO3?
================

 TYPO3 is an enterprise open-source Content Management System for websites and digital projects that provides security, stability and long-term support.
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###  More than a CMS

TYPO3 CMS is an open-source enterprise content management system supported by a [large global community](https://typo3.community/) and more than 1,000 members of the [TYPO3 Association](https://typo3.org/association). It is a free and open software solution that can be used in a [wide range of scenarios](https://typo3.com/solutions/use-case) – from small websites and intranets to complex online applications. TYPO3 is suitable for both small-scale projects and multinational enterprises. The system offers the full suite of [content management functionalities](https://typo3.com/typo3-cms/why-typo3).

          ![](https://typo3.com/fileadmin/_processed_/5/b/csm_TYPO3-Logo-rgb_copy_b8d8b5319b.webp)

 TYPO3’s foundation, requirements, and support model
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 System Requirements
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Overview of TYPO3’s system requirements and supported environments for reliable operation.

 [ Read more ](https://get.typo3.org/version/13#system-requirements "System Requirements")

 Open Source
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Learn how TYPO3’s open-source model ensures transparency, flexibility, and innovation.

 [ Read more ](https://typo3.com/typo3-cms/what-is-typo3/open-source "Open Source")

 Long Term Support (LTS)
-------------------------

Overview of TYPO3’s Long Term Support—three (plus four) years of stability, security, and maintenance.

 [ Read more ](https://typo3.com/typo3-cms/what-is-typo3/long-term-support-lts "Long Term Support (LTS)")

 Getting Started
-----------------

Introduction to the essentials of TYPO3, key concepts and the backend administration interface.

 [ Read more ](https://docs.typo3.org/m/typo3/tutorial-getting-started/main/en-us/Index.html#start "Getting Started")

---

 Looking for the reason why?
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###  TYPO3's built in features provide the answer

TYPO3 offers the stability, security, and architectural clarity essential for complex, long-term digital projects. This overview highlights [TYPO3's key strengths](https://typo3.com/typo3-cms/why-typo3)—core areas that organizations evaluate when choosing a CMS for medium- and large-scale initiatives, with links to detailed feature descriptions.

 [    Security & Stability ](https://typo3.com/typo3-cms/why-typo3/security-stability "Security & Stability") [    Multisite & Multilingual ](https://typo3.com/typo3-cms/why-typo3/multisite-multilingual "Multisite & Multilingual") [    Flexibility & Scalability ](https://typo3.com/typo3-cms/why-typo3/flexibility-scalability "Flexibility & Scalability") [    Granular Access Rights ](https://typo3.com/typo3-cms/why-typo3/granular-access-rights "Granular Access Rights") [    Comprehensive Content Management ](https://typo3.com/typo3-cms/why-typo3/comprehensive-content-management "Comprehensive Content Management") [    Professional Open Source ](https://typo3.com/typo3-cms/why-typo3/professional-open-source "Professional Open Source") [    Upgrade Cycles & Long-Term Support ](https://typo3.com/typo3-cms/why-typo3/upgrade-cycles-long-term-support "Upgrade Cycles & Long-Term Support")