TYPO3 Project and Governance — Democratic Open Source - TYPO3 Association | WarmIndex

TYPO3 is a free and open-source enterprise-grade content management system (CMS) written in PHP, designed for scalable, secure, and multilingual websites.

🚀 Overview

TYPO3 CMS is a mature open-source platform that enables the creation and management of complex, high-performance websites, from small sites to enterprise-level multisite installations.

It solves key challenges in content management, such as handling multilingual content, multisite setups, ensuring top-tier security with long-term support releases, maintaining high performance under heavy loads, and integrating with enterprise systems like ERP and CRM.

TYPO3 is built for web developers, digital agencies, enterprises, governments, and educational institutions worldwide, particularly popular in Europe. Originally created by Kasper Skårhøj in 1998, it has been community-driven since, now with over 300 contributors coordinated by the TYPO3 Association for sustainable development.

✨ Key Features

Multisite and multilingual support with workflows, unlimited sites/languages for global operations
Over 5,000 extensions in TER for easy extensibility without core modifications
Security-first design with dedicated teams, CSRF protection, LTS releases (e.g., v13 LTS), predictable updates
Enterprise scalability, high-load performance, ERP/CRM integrations, accessibility (WCAG 2.1 compliant)
Content/layout separation, hierarchical page tree, workspaces for versioning, caching framework
Optional: v14 features like new APIs, content blocks, reusable components

🛠 Tech Stack

Frontend: Fluid templating engine, HTML/CSS/JavaScript, CKEditor
Backend: PHP (Extbase MVC, TypoScript configuration, Symfony components)
Database: MySQL/MariaDB, PostgreSQL, SQLite (via DBAL)
Auth: Custom (roles, groups, workspaces)
Hosting: Self-hosted (Apache, Nginx, IIS)

👥 Who Is This For?

This project is useful for:

Developers who want to build extensible enterprise websites
Agencies managing multiple client sites and intranets
Enterprises and public sector needing secure, scalable CMS

📸 Screenshots / Demo

Live demo: https://demo.typo3.org
GitHub: https://github.com/typo3/typo3

🔥 Project Status

🟢 Actively building

Last updated: 2026-03-24

❓ FAQ

Is this project free?

Yes / Open Source (Fully free under GNU GPL v2; install via Composer, downloads at get.typo3.org)

Is the source code available?

Yes — https://github.com/typo3/typo3

Can I contribute?

Yes — open issues/PRs on GitHub, submit extensions to TYPO3 Extension Repository (TER), join TYPO3 Association, attend events, volunteer for core team.