Product
Security-first by design
CastleCMS is built on Plone’s long-standing security architecture with protections against common web attack classes (including CSRF/XSS/clickjacking) and a mature security process.
Built for real teams
Create, review, and publish with confidence using fine-grained roles, workflow states, versioning, and collaboration features designed for large organizations.
Flexible theming, your way
Customize your site’s look and feel with a powerful theming engine—apply your brand exactly as you envisioned.
Built for real teams
- Marketing & public websites with strong SEO foundations and performance-friendly publishing.
- Intranets & portals with permission-driven access and structured workflows.
- Document-heavy sites where search and viewing matter (policies, manuals, archives).
FREQUENTLY ASKED QUESTIONS
What technology is CastleCMS built on?
The core of CastleCMS comes from Plone, the open source CMS with the best security track record, bar none. Written in Python and using a dependable N…
Who built CastleCMS?
CastleCMS was developed by a highly experienced team from Wildcard Corp., a web development and hosting company located in Stevens Point, Wisconsin.…
What kind of support is available for CastleCMS?
CastleCMS is currently available as a tiered cloud-hosted solution, for corporate, local or state government, and federal government / enterprise lev…
How much does CastleCMS cost?
Each CastleCMS project is a custom-developed solution, and each client’s needs vary greatly. We take great pride in being able to integrate CastleCMS…
Key capabilities
Enterprise security model
A sophisticated permissions system based on users, groups, roles, permissions, and workflow states—so the right people see and edit the right content.
Login Shield (extra hardening option)
Require users to authenticate before they can access protected areas—or even before they can see the site at all (depending on your chosen configuration).
Powerful search + Site Crawler
Give users a “one stop shop” search experience, including the ability to index multiple sites and return results across them.
DocumentViewer
View common office formats and PDFs in-browser, with built-in capabilities that can make even scanned PDFs searchable and indexable.
Social media integrations
Connect your content with major social platforms (sharing, engagement, and integrations) to amplify reach and improve audience interaction.