Sitecore alternatives: the platform is only half the decision.

Start with what you use, not what you license

A useful Sitecore shortlist begins with the work your team does today. List the sites, languages, content types, approval steps and integrations that need to survive the move. Then ask which personalisation and marketing features are actually in use. Replacing a CMS and replacing an entire digital experience platform are different projects.

My starting shortlist is Sanity, Storyblok and Contentful for a separate content backend, alongside Xperience by Kentico, Umbraco and Optimizely for teams evaluating a .NET route. Test them against your requirements: these are recommendations, not a drop-in replacement for an existing Sitecore implementation.

Astro and Next.js are frontend choices, not CMS replacements, although they can sit in front of a content platform. Picking a framework does not settle where editors write, who approves changes or how you store content. Keep those decisions separate until you can test the whole workflow.

What the product documentation actually supports

Sanity provides visual editing with live previews, and it also supports click-to-edit and drag-and-drop page building. Its visual editing documentation explains the frontend integration. Before deciding how much Studio customisation to include, I would test it with a representative content model and real editorial tasks.

Storyblok connects its visual editor to your frontend through draft content, editable attributes and a preview bridge. The implementation guide makes that dependency clear. I would include reusable components, preview access and editor testing in the build estimate, rather than treating visual editing as something that appears after an import.

Contentful organises content into content types, entries and assets. Its data model documentation describes fields, references and rich text. For a Sitecore migration, my first proof would cover linked content and media as well as plain text. Importing simple pages successfully reveals little about the awkward parts of your content model.

Xperience by Kentico needs a current tooling check. The older Sitecore migration repository is archived. Kentico’s current migration documentation describes the Kentico Migration Tool and Universal Migration Tool. I would check compatibility and ownership before putting a connector into the project plan.

Umbraco is an open-source .NET CMS. It belongs on the shortlist when that operating model suits your team. Test any requirements beyond publishing on their own. Before picking a version, check the current support schedule. But a smaller licence fee is not a complete business case.

Optimizely documents CMS, experimentation and data-platform integrations as distinct areas of its developer platform. It is worth assessing when experimentation is part of the brief. Get the edition, modules, implementation responsibilities and contract scope in writing; a vendor name alone is not enough to compare two proposals.

Build a cost model you can defend

Price every proposal against the same scope and currency. Use staying put as your baseline, then evaluate migration options over the same timeframe. Compare like with like, and do not set an enterprise contract against an entry-level plan for small teams and call the difference a saving.

For a three-year forecast, count one-off project costs once, add three years of recurring fees, then include overlap and contingency. Ask vendors to state what they exclude. Avoid double-counting frontend hosting if a proposal already covers it. Keep estimated figures marked as estimates until scope and supplier quotes are agreed.

Separate content transfer from rebuilding

Content migration needs an explicit mapping and a testable result. The checklist below is the scope I would use in discovery; it is not a promise that every Sitecore estate can be handled in the same way.

Start with a sample that contains the difficult cases: reused content, translated pages, nested components and linked media. Let editors review it in the destination. Record exceptions before estimating the bulk migration. Plan how changes made on the old site during the build will reach the new one.

When staying with Sitecore makes sense

Staying put belongs in the comparison when your current setup meets requirements and replacing its integrations or workflows costs more than the switch is worth. Ask your incumbent partner to scope that option against the same brief as the alternatives. Do not assume a rebuild: it is not necessary for every Sitecore customer.

Sitecore’s XM Cloud overview outlines a hosted headless CMS and links to migration tools and newer SitecoreAI documentation. Evaluate it as a vendor path, not as proof that your existing frontend or custom code will transfer across intact. Before committing to a decision, check the source version, target product and contract terms with Sitecore.

Turn the shortlist into a migration brief

Bring your current CMS version, a URL inventory, examples of the hardest content types and a list of required integrations. Add the editorial tasks the new system must support. Those inputs give the discovery work something concrete to test.

The output should identify a recommended destination, the work that transfers, the work that must be rebuilt, the people responsible and the conditions for launch. If you need help with that brief, read about headless CMS development or legacy CMS modernisation. The scope comes before the quote.