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Squidex

Open-source headless CMS built on .NET, with hosted cloud plans from a German company.

Open sourceSelf-hostableContent management systems
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About Squidex

Squidex is an open-source headless CMS written in C# on ASP.NET Core and backed by MongoDB. Teams define schemas in the browser and get REST and GraphQL APIs, along with workflows, versioning, scheduled publishing, localisation, asset management, rules that trigger webhooks and integrations, and a role system. Because it is MIT-licensed, you can run it yourself with Docker or Kubernetes at no licence cost, which suits organisations that need data to stay on their own infrastructure. The company behind it offers a cloud version hosted in Europe, plus managed single-tenant servers. It is a practical choice for .NET teams and European companies that want an API-first CMS without US hosting. The trade-offs are a small community, a dated-feeling interface compared with Sanity or Storyblok, and the MongoDB dependency. Cloud prices are listed in euros, starting with a free Starter plan that requires a Squidex label on your site.

Best for: .NET teams and European organisations wanting a self-hostable, API-first CMS.

Pros and cons

What works

  • MIT-licensed and free to self-host
  • Workflows, versioning and rules built in
  • Cloud hosting in Europe

Why people leave

  • Small community and ecosystem
  • Interface feels dated next to newer CMSs
  • Requires MongoDB

Top Squidex alternatives

See all 5
  1. 1Strapi logo
    Strapi

    Larger open-source headless CMS community, in Node.js.

    66.5
  2. 2Umbraco logo
    Umbraco

    Open-source .NET CMS with a traditional site-building model too.

    62.6
  3. 3Directus logo
    Directus

    Admin and APIs over SQL databases instead of MongoDB.

    59.6
  4. 4Cockpit logo
    Cockpit

    Lightweight self-hosted headless CMS in PHP.

    55.3
  5. 5Contentful logo
    Contentful

    Hosted enterprise headless CMS with a bigger ecosystem.

    46.7

Why people left Squidex

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

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Squidex: common questions

Is Squidex free?

Yes. Squidex is free, open-source software that you can host yourself.

Is Squidex open source?

Yes. The source code is on GitHub at Squidex/squidex. You can also run it on your own server.

What platforms does Squidex run on?

Squidex is available for Self-hosted and Web.

What are the best alternatives to Squidex?

The highest-ranked Squidex alternatives right now are Strapi, Umbraco and Directus. See the full ranked list for pricing, platforms and verified facts.

See all 5 Squidex alternatives