Kirby
Web content management software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Kirby and its alternatives fit your requirements.
€99 per site
Free Trial unavailableFree version unavailable
Small
Medium
Large
- Arts, entertainment, and recreation
- Accommodation and food services
- Media and communications
What is Kirby
Kirby is a file-based content management system (CMS) for building and managing websites without a traditional database. It targets developers and small teams that want to create custom sites using a flat-file content model and a PHP-based templating approach. Kirby supports structured content via files and folders and can operate as a headless CMS through an API, depending on the edition and configuration. It is commonly used for bespoke marketing sites, portfolios, documentation sites, and small-to-mid content sites where code-level control is important.
Flat-file, database-free architecture
Kirby stores content in the filesystem rather than requiring a database, which can simplify deployment and reduce operational dependencies. This model can be convenient for smaller sites, static-like workflows, and environments where database management is undesirable. It also makes local development straightforward because content lives alongside the project files. For some teams, this reduces infrastructure complexity compared with database-centric CMS platforms.
Developer-centric customization model
Kirby is designed for building custom front ends with PHP templates and a flexible content structure. Developers can implement bespoke content types and site behavior without being constrained by rigid page builders. This approach fits teams that prefer code review, version control, and repeatable environments. It can be a good match when a project needs tailored information architecture rather than a standardized theme ecosystem.
API options for headless use
Kirby can be used in a headless or hybrid pattern by exposing content via an API, enabling modern front-end frameworks or multi-channel delivery. This supports use cases where the editorial UI and the presentation layer are decoupled. Teams can choose between traditional server-rendered sites and API-driven architectures. This flexibility helps when requirements evolve from a simple site to more distributed content delivery.
Less turnkey for non-developers
Kirby’s strengths assume developer involvement for setup, templating, and ongoing changes. Organizations seeking a highly guided, out-of-the-box experience with extensive prebuilt templates and drag-and-drop assembly may find it requires more implementation effort. Editorial workflows and governance often need configuration rather than being fully prescriptive. This can increase time-to-launch for teams without in-house development capacity.
Ecosystem and enterprise features vary
Compared with larger enterprise-focused web CMS suites, Kirby typically offers fewer built-in capabilities for complex governance, advanced personalization, and large-scale multi-site management. Integrations may rely more on custom development or community plugins rather than extensive vendor-provided connectors. For regulated environments, teams may need to add controls around approvals, auditing, and compliance processes. These gaps can matter for large organizations with standardized enterprise requirements.
Scaling and workflow complexity tradeoffs
A flat-file model can become harder to manage as content volume, contributor count, and workflow complexity grow. Concurrent editing, content staging, and large editorial teams may require additional process design or tooling to avoid conflicts. Performance and deployment patterns can also require careful planning when content changes frequently. Teams should validate fit for high-change, high-volume publishing operations.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Kirby Basic | €99 per site (one-time) | Discounted license for individuals/small teams with total annual revenue/funding < €1,000,000; includes 3 years of feature updates; no subscription; Prices + VAT if applicable; revenue limit must be confirmed at purchase. |
| Kirby Enterprise | €349 per site (one-time) | Standard license for companies/organizations of any size (no revenue limit); includes 3 years of feature updates; no subscription; Prices + VAT if applicable. |
Additional notes:
- Volume discounts: 5% (5+ licenses), 10% (10+), 15% (15+).
- Upgrade options for additional 3 years of updates: currently €59 (excl. VAT) for Basic and €249 (excl. VAT) for Enterprise.
- Free or discounted licenses available for students, educators, plugin/theme showcase sites, and certain non-profits (verification/contact required).
- Trial options: official site offers an online demo and allows local/test-server installs for evaluation (no time-limited "trial" stated).
- Payments and invoicing handled by Paddle; refunds mentioned on third-party pages but official buy page notes checkout handled via Paddle.
