Sulu
Sulu is an open-source content management system for PHP developers, built on Symfony and released under the MIT license.
What Sulu is
Sulu is an open-source content management system for PHP developers, built on Symfony and released under the MIT license. It supports content management across multiple websites, with Webspaces for configuring multisite setups and tools for managing translations. Teams can choose traditional, headless, or hybrid approaches, keeping content separate from its presentation. Its API can connect with CRM and marketing automation tools such as HubSpot and Salesforce, as well as search engines. Sulu describes deployment choices ranging from single-server scripts to horizontally scalable orchestration such as Kubernetes. Optional two-factor authentication includes email, authenticator apps, backup codes, and trusted devices. Support resources include developer documentation, a free Slack channel, and GitHub issue reporting; the core team also offers support and professional services. Sulu is a self-hosted web platform from a maker founded in 2018 and headquartered in Dornbirn, Austria.
Good
- MIT-licensed and open source
- Supports traditional, headless, and hybrid approaches
- Includes multilingual content and multisite management
- Offers editorial workflows, custom roles, and content types
- Provides a free Slack channel and developer documentation
Watch out
- Requires a self-hosted deployment
- Built for PHP developers on Symfony
Who it suits
Sulu suits PHP developers and teams that want an open-source, self-hosted CMS for multilingual or multisite content. Its workflows and client implementation focus may also suit agencies.
Verdict
Sulu combines a broad content and editorial toolkit with multilingual and multisite support. It is a fit for teams prepared to run a self-hosted system and work with its PHP and Symfony foundation.
Plans and prices
From Sulu's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Sulu CMS | Free | Open-source CMS · MIT license |
The facts
Each one read from Sulu's own pages, with the date it was checked.
What it does
- Audience
- Sulu describes itself as a CMS for PHP developers and highlights agency workflows and management of multiple client implementations for Sulu.ai.checked 12 Oct 2026
- CMS modes
- Sulu supports traditional, headless, and hybrid approaches with content separated from presentation.checked 12 Oct 2026
- Content management
- It supports managing content, multiple websites, and translations.checked 12 Oct 2026
- Custom content types
- Yeschecked 22 Sep 2026
- Custom user roles
- Yeschecked 22 Sep 2026
- Deployment
- Sulu is deployment agnostic, with the site describing single-server scripts and horizontally scalable orchestration such as Kubernetes.checked 12 Oct 2026
- Editorial workflows
- Yeschecked 22 Sep 2026
- Features
- The site lists navigation, task automation, shareable preview links, form management, and SEO capabilities.checked 12 Oct 2026
- Integrations
- Sulu’s API can integrate with CRM and marketing automation tools such as HubSpot and Salesforce, as well as search engines.checked 12 Oct 2026
- Languages
- Sulu includes multilingual functionality and supports managing translations.checked 12 Oct 2026
- License
- The site identifies Sulu GmbH’s CMS as released under the MIT open-source license.checked 12 Oct 2026
- Media library
- Yeschecked 22 Sep 2026
- Multilingual content
- Yeschecked 22 Sep 2026
- Multisite
- Sulu’s Webspaces technology supports configuring and managing multisite setups.checked 12 Oct 2026
- Product
- Sulu is an open-source CMS for PHP developers built on Symfony.checked 12 Oct 2026
- Security
- Sulu’s documentation describes optional two-factor authentication methods including email, authenticator apps, backup codes, and trusted devices.checked 12 Oct 2026
- SEO tools
- Yeschecked 22 Sep 2026
- Services
- Sulu offers consulting, training, and custom development services.checked 12 Oct 2026
- Support
- Sulu offers a free Slack channel, developer documentation, and GitHub issue reporting, and its core team offers support and professional services.checked 12 Oct 2026
The company
- Founded
- 2018checked 28 Sep 2026
- Headquarters
- Dornbirn, Austriachecked 28 Sep 2026
Where it runs
- Platform type
- self_hostedchecked 22 Sep 2026
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