Developer Tools
TYPO3
Open-source PHP CMS with LTS releases and extension-based customization.
What it is
TYPO3 CMS is GPL-licensed open-source content-management software for self-managed PHP infrastructure. It supports Composer-based projects, relational databases, extensions and Long Term Support releases; free security support follows the current and preceding LTS lines, while older branches require migration or a paid Extended Long Term Support arrangement when offered.
Key features
LTS releases
Provides defined support windows for current and preceding Long Term Support branches.
Composer projects
Manages core and extension dependencies in modern installation workflows.
Extension framework
Adds site and editorial functionality through system or third-party packages.
TypoScript configuration
Controls site rendering and behavior alongside PHP, templates and site configuration.
Strengths and trade-offs
What works well
- LTS lifecycle: Current documentation defines regular LTS releases with bug and security support windows.
- Configuration flexibility: Composer projects can version core and extension dependencies.
- Database options: Current requirements document MySQL, MariaDB, PostgreSQL and SQLite support.
- Extension architecture: Core functionality can be expanded through system and third-party extensions.
Where it falls short
- Infrastructure ownership: Web server, PHP, database, file permissions, deployment and backups remain customer responsibilities.
- Upgrade work: LTS transitions may change database structure, backend behavior, templates, CSS and system requirements.
- Extension lifecycle: Core support does not automatically guarantee maintenance or compatibility for every extension.
- Old-version cost: Branches outside free support require migration or eligible paid ELTS coverage.
Who it is for
Organizations and agencies that need a configurable self-hosted CMS and have dedicated TYPO3, PHP and infrastructure expertise.
Our verdict
Choose TYPO3 when its configurable architecture and LTS model fit a professionally operated web platform; verify every extension and budget migrations before the selected branch leaves free support.
Closest alternatives we track
Same category, ordered by verified starting price.
What we checked
- Public APIOffers a documented API you can build against.No
- Mobile appHas a native app for iOS or Android, not just a mobile website.No
- Open source / self-hostableSource is open and the tool can be run on your own infrastructure.Yes
- SSO (SAML)Supports SAML single sign-on on at least one plan.No
“Not checked” means exactly that — we have not verified it, and we do not guess.
Evidence and freshness
Status: Official sources reviewedReviewed: 2026-08-24
- TYPO3 Docs — System requirements ↗
Checked 2026-08-24 · Supports: PHP and extension requirements, web servers, database systems, Composer usage, DDEV guidance, database privileges
- TYPO3 Docs — Version support and security ↗
Checked 2026-08-24 · Supports: Sprint and LTS releases, current and preceding LTS support, three-year LTS support, outdated branches, ELTS option, upgrade impacts
- TYPO3 Docs — Extension composer.json ↗
Checked 2026-08-24 · Supports: extension package type, GPL license values, core-version dependencies, Composer loading order, third-party extensions
- TYPO3 — Open-source licenses ↗
Checked 2026-08-24 · Supports: GPL-2.0-or-later CMS license, open-source distribution, extension licensing, trademark distinction
- TYPO3 — Extended support ↗
Checked 2026-08-24 · Supports: paid ELTS service, post-LTS security updates, eligible versions, subscription scope
Limit: Official project and vendor documentation was reviewed; ToolCompare did not install TYPO3, test TypoScript or editorial workflows, audit extensions, execute an LTS migration, benchmark infrastructure, purchase ELTS or independently verify security and support outcomes.