CMS 6 no longer installs GraphQL for the admin schema by default.
Projects relying on custom admin GraphQL schema behavior need to review upgrade changes; frontend GraphQL remains available through an optional module.
Evidence source ↗S
Silverstripe
Silverstripe CMS is an open-source, PHP-based content management system for building and managing websites. Developers can extend it with modules or use its optional GraphQL module for headless content delivery.
6 key claims verifiedOur editorial team checked this profile against vendor documentation, product documentation, company information. Supported by 5 documented sources.
Editorial overview
Aggregated Overview
Assessment reflects documented editing, versioning, workflow, localization, extensibility, open-source licensing, and limited public review evidence. Custom implementation and hosting require technical resources.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
Overview
Silverstripe CMS is an open-source content management system and framework for building websites and web applications. Its browser-based editorial interface sits on a developer-extensible PHP application, which organizations can host themselves or run through a managed hosting provider.
Editors can manage page structure, files, draft and published content, and historical versions. Developers can add modules, custom page types, and data structures to fit a site’s requirements.
Silverstripe Decision Snapshot
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Best suited to
Organizations needing a customizable website CMS with structured editorial workflows, version history, and developer-controlled templates or integrations.
Look elsewhere if
Teams seeking a turnkey hosted website builder or extensive no-code customization may find the developer-led installation and extension model unsuitable, and should evaluate alternatives such as WordPress or Drupal instead.
Platforms
Cloud, Self-hosted, Web
TechZella assessment
7.8/10
Silverstripe — What Sets It Apart?
These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.
- The CMS is modular, and additional functionality can be installed as Composer packages.
- Draft and published content, access permissions, and historical versions support editorial review workflows.
- GraphQL is available as an optional module for frontend content delivery, rather than being required for the core CMS.
Silverstripe Pros & Cons
Pros
- Open-source BSD licensing with no CMS licensing fee.
- Includes draft and published content states and version history.
- Supports configurable access permissions and editorial workflows.
- Modular architecture allows Composer-installed extensions.
- Optional GraphQL module supports decoupled frontend content delivery.
Cons
- Requires installation on a web server and developer involvement for code-level changes.
- Hosting and ongoing maintenance are separate considerations from the free CMS license.
- CMS 6 changes affect projects that customized the former admin GraphQL schema.
Silverstripe Gotchas & Operational Limits
These are documented constraints or practical friction points that may matter before you adopt the product.
Silverstripe CMS requires server-side installation and maintenance.
The organization or its provider must manage the server and give developers file access for code, templates, and upgrades.
Evidence source ↗Silverstripe Pricing & Plans
Silverstripe CMS
$0
no license fee
Open-source CMS under the BSD license. Hosting, development, and support may have separate charges. No current CMS trial was verified.
Check current pricing →Pricing may change. Verify current plans on the vendor's website.
Silverstripe Competitors & Alternatives
Compare similar products directly, then see which alternatives may make more sense when your requirements differ.
Direct competitors
These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with Silverstripe.
Silverstripe Features
Content management
- Hierarchical page editing
- File and asset management
- Draft and published content
- Content version history and restoration
Editorial controls
- User roles and permissions
- Configurable content approval workflows
- Scheduled publishing through add-ons
Development and integration
- Composer-based modular extensions
- Optional GraphQL content API module
- Custom page types, fields, data structures, and application logic
Localization
- Internationalization support
- Fluent module for localized pages and data
Silverstripe Specifications
| License | BSD open source |
|---|---|
| Server-side language | PHP |
| CMS 6 PHP requirement | PHP 8.3–8.5 |
| Dependency manager | Composer 2 |
| Hosting | Web server installation; self-managed or managed hosting |
| Content API | Optional GraphQL module for frontend schemas |
| Free trial | No current CMS trial verified |
Deployment & System Footprint
Verified installation, hosting, administration, or environment details that can affect implementation.
| Installation or hosting | Install on a web server; Silverstripe's documentation also describes a separate Silverstripe Cloud managed hosting service. Source ↗ |
|---|---|
| Operating environment | CMS 6 documentation specifies PHP 8.3–8.5 and Composer 2; database and web-server configuration are also required. Source ↗ |
Migration & Lock-In
Documented portability, standards, export, or switching considerations. No switching-cost score is shown unless the evidence supports one.
Major-version upgrade
The CMS 6 changelog documents removed and changed APIs, including GraphQL changes that may affect customized projects.
Evidence source ↗Our evidence-based assessment
TechZella Score
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
7.8/10Moderate confidence
Assessment reflects documented editing, versioning, workflow, localization, extensibility, open-source licensing, and limited public review evidence. Custom implementation and hosting require technical resources.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Editorial transparency
Our Review Methodology
Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.
TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 5 documented sources.
What TechZella adds
- The CMS is modular, and additional functionality can be installed as Composer packages.
- Draft and published content, access permissions, and historical versions support editorial review workflows.
- GraphQL is available as an optional module for frontend content delivery, rather than being required for the core CMS.
Important limitations
- The CMS must be installed on a web server, and developers need server-file access for templates, upgrades, and maintenance.
- GraphQL was removed from the CMS admin schema in version 6; public-facing GraphQL schemas remain available through an optional module.
Evidence-backed claimsSilverstripe CMS is open-source software distributed under a BSD license. The CMS includes draft and published content states and content history. Silverstripe CMS can be extended with modules installed through Composer. GraphQL can provide a content API for decoupled frontend projects. Silverstripe CMS 6 requires PHP 8.3–8.5 and Composer 2. Silverstripe CMS was developed by its founders in 2000.
The official product demo describes its open-source licensing and says there is no CMS licensing fee.
View source ↗Verified 2026-10-12Official product information describes draft/live versions, restoration of historical versions, and publishing history.
View source ↗Verified 2026-10-12The developer documentation explains the module system and Composer-based installation.
View source ↗Verified 2026-10-12Official documentation describes GraphQL as an optional module for public-facing frontend schemas in CMS 6.
View source ↗Verified 2026-10-12The current CMS 6 server requirements documentation lists these requirements.
View source ↗Verified 2026-10-12The official product demo identifies 2000 as the year the founders developed the CMS.
View source ↗Verified 2026-10-12FAQ
Is Silverstripe CMS free?
The CMS is open source under the BSD license and has no software licensing fee. Hosting and development services may cost extra.
Does Silverstripe CMS have an API?
Silverstripe CMS supports API-based integrations; its optional GraphQL module can expose frontend content schemas. CMS 6 no longer installs GraphQL for the admin schema by default.
Can Silverstripe CMS manage multilingual content?
Yes. The official product information describes multilingual capabilities, and the Fluent module provides localization for pages and other data types.
Is it a hosted website builder?
The CMS itself is installed on a web server. Silverstripe also offers a separate managed cloud hosting service.
Does the CMS offer a free trial?
No current free trial for Silverstripe CMS was verified. The CMS software itself is available without a licensing fee.
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What Has Changed
This history records material data changes detected when TechZella re-researched the profile.
2026-10-12Research update changed: Pricing, Features, Specifications, Alternatives, Competitors, Trusted ratings, Description.