Side by side

Kiln vs Mattrbld

Both stand on git-based cms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Kiln

Free plan Open source APISelf-hostedWeb

Kiln pairs on-page editing with Git-based publishing and review controls for static sites. Self-hosting is free, while Kiln Cloud costs $4.99 a month and Fully managed costs $14.99 a month.

Visit Kiln

Mattrbld fits teams that want structured content editing tied to Git rather than an external content store. Check the offline publishing boundary, proxy requirements and hosted-instance caveat against your workflow.

Visit Mattrbld

The facts

	Kiln	Mattrbld
Free plan	Yes	Yes
Open source	Yes	Not published
Runs on	API, Self-hosted, Web	Android, iPhone, Self-hosted, Web
Lowest paid plan	Kiln Cloud: $4.99 per site a month	Free or on request
Plans published	6	2
Maker	Not published	Not published
Website	kilncms.com	mattrbld.com
On git-based cms	#4 of 23	#8 of 23

Kiln: what it does well

Editors update content directly on the page.
Changes are stored as Git commits.
Editors can be limited to pages or sections.
Reviewers can comment without editing.
Content remains in the owner's repository after leaving.

What to know first

Uploaded documents are limited to 15 MB per file.
Self-hosted users run the worker and GitHub App.
Self-hosted users provide the site host.
Eleventy, Hugo, and Jekyll adapters are planned, not documented as available.

Mattrbld: what it does well

Content is kept in Git repositories
Editing can continue offline after project import
Schemas generate forms with validation rules
Supports JSON and Markdown with YAML frontmatter
Can be self-hosted as a single-page application

What to know first

Publishing changes requires reconnecting
Plain YAML support is not implemented
GitLab, GitHub and Bitbucket require a CORS proxy
Hosted instance has no availability guarantee

Alternatives to Kiln Alternatives to Mattrbld The whole list