Sylius
Headless open-source commerce platform for PHP/Symfony — a Polish alternative to Magento.
Overview
Sylius is a Poznań, Poland-based European company building developer tools, e-commerce, and open source software since 2011. As an EU-headquartered provider, Sylius operates under GDPR and is outside the reach of the US CLOUD Act, making it a privacy-friendly alternative to GitHub, Atlassian, and JetBrains's US-distributed peers for European teams.
Why European teams pick Sylius
Teams in Europe pick Sylius when they want a developer tools provider that bills in EUR, supports their local data-protection officer requirements, and keeps customer data under Poland law, operating since 2011. Compared with GitHub, Atlassian, and JetBrains's US-distributed peers, Sylius avoids cross-border data transfers under Schrems II and the US CLOUD Act, which is often the deciding factor for European procurement and legal teams.
See more EU developer tools tools or browse other startups from Poland.
About
Sylius is a Polish open-source e-commerce framework built on Symfony, founded in Poznań in 2011, designed for custom and headless commerce applications. Unlike PrestaShop or Shopware, Sylius is a developer-first framework rather than a ready-made shop — it provides the building blocks (product catalogue, orders, payments, shipping) that developers assemble into custom commerce applications. It is released under the MIT licence and is self-hostable on any EU server. Sylius is popular among European development agencies and enterprises that need a highly customisable, EU-hosted e-commerce platform for B2B, subscription, marketplace, or multi-tenant commerce scenarios where out-of-the-box solutions are insufficient.
Details
- Founded
- 2011
- Headquarters
- Poznań, Poland
Categories
Other EU startups like Sylius
- FjordIDNorway — Managed OIDC/OAuth2 identity platform hosted on Hetzner in Germany. Drop-in Auth0 replacement with EU data residency and zero US subprocessors.
- RailwayUnited Kingdom — Instant deployment infrastructure for developers — popular across European teams.
- LiveblocksFrance — APIs for adding collaborative real-time features to your app — a French alternative to Firebase Realtime.
- PocketbaseBulgaria — Open-source backend in a single file — a European alternative to Firebase.
- NocoDBGermany — Open-source Airtable alternative that turns databases into smart spreadsheets.
- BaserowNetherlands — Open-source no-code database and Airtable alternative — built in the Netherlands.
Frequently asked questions
What is Sylius?
Sylius is a Polish open-source e-commerce framework built on Symfony, founded in Poznań in 2011, designed for custom and headless commerce applications. Unlike PrestaShop or Shopware, Sylius is a developer-first framework rather than a ready-made shop — it provides the building blocks (product catalogue, orders, payments, shipping) that developers assemble into custom commerce applications. It is released under the MIT licence and is self-hostable on any EU server. Sylius is popular among European development agencies and enterprises that need a highly customisable, EU-hosted e-commerce platform for B2B, subscription, marketplace, or multi-tenant commerce scenarios where out-of-the-box solutions are insufficient.
What does Sylius do?
Sylius is headless open-source commerce platform for php/symfony — a polish alternative to magento. It is listed under developer tools, e-commerce, and open source on EU Alts because its core functionality serves teams looking for a European developer tools tool with EU data residency, typically as a switch away from GitHub, Atlassian, and JetBrains's US-distributed peers.
Is Sylius a good European developer tools alternative?
Sylius is a fit for European businesses evaluating developer tools options where data residency and GDPR alignment matter — typical buyers include EU-based SaaS teams, public-sector projects, regulated industries (healthcare, finance, legal), and any organisation that needs to demonstrate that customer data does not leave the EU. It also overlaps with e-commerce and open source use cases.
Is Sylius GDPR compliant?
Sylius is headquartered in Poznań, Poland and falls under EU jurisdiction, so it processes user data under the GDPR by default. Customer data processing is supervised by Poland's data protection authority, the Urząd Ochrony Danych Osobowych (UODO). Because the company is not US-incorporated, it is not subject to the US CLOUD Act — meaning US authorities cannot compel Sylius to disclose customer data the way they can with GitHub, Atlassian, and JetBrains's US-distributed peers. For European buyers, that often simplifies DPIA paperwork and standard contractual clauses.
How do teams switch from GitHub to Sylius?
Most teams move to Sylius from GitHub, Atlassian, and JetBrains's US-distributed peers because they want EU data residency without giving up the core developer tools workflow. Sylius's Poland base means a single jurisdiction for both the company and (typically) its hosting infrastructure, so you can drop Schrems II transfer impact assessments for this part of your stack. Plan the migration in stages: export your data from the US incumbent, pilot Sylius with a small team, then move the rest once the integration coverage you need is confirmed.
Where is Sylius based?
Sylius is headquartered in Poznań, Poland. The company was founded in 2011. Its main website is https://sylius.com.