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SPECIFICTION
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FlatPress vs Jekyll

FlatPress

flatpress.org

Jekyll

jekyllrb.com

Side by side

FigureFlatPressJekyll
Price fromFreeFree
Free planYesYes
Free trial——
Open source—Yes
WebYesYes
Windows—Yes
macOS—Yes
Linux—Yes
Self-hostedYesYes
Plans published12
Spec score · Blog Software8.1 (#13)8.8 (#1)
Spec score · Blogging Platforms7.4 (#103)8.7 (#22)
LicenseFlatPress is distributed under GNU GPLv2, which permits use, adaptation, and modification under the license terms.Jekyll is open source and distributed under the MIT License.
PluginsFlatPress has a plugin system with widget support, and community-contributed plugins are available.A plugin system with hooks lets users generate custom content and extend the build process without modifying Jekyll itself.
Theme customizationcustom codecustom code
ThemesThe blog can be customized with themes powered by Smarty.The theme system packages layouts, includes, stylesheets, assets and plugins, and site files can override theme defaults.

Plans

FlatPress

  • FlatPressFree

FlatPress pricing →

Jekyll

  • JekyllFree
  • Open-source JekyllFree

Jekyll pricing →

In their own words

FlatPress

FlatPress has no write-up on Specifiction yet; its figures are above.

Visit flatpress.org

Jekyll

Jekyll is a free, open-source tool that turns plain text into static websites and blogs. It combines Markdown, Liquid, HTML, and CSS with layouts, producing static files ready for deployment. Blog features include permalinks, categories, pages, posts, and custom layouts. A plugin system with hooks can generate content and extend builds without changing Jekyll itself. Community-maintained themes provide templates and styles, and site content can override theme files. Generated sites may be deployed manually, through automation, or with third-party services. GitHub Pages is powered by Jekyll and offers free hosting with custom domain support. Jekyll supports Linux, macOS, Windows, and self-hosted use. Installation requires Ruby 2.7.0 or higher, RubyGems, GCC, and Make. Safe mode requires explicit plugin permission through a whitelist. A volunteer core team maintains the project.

Visit jekyllrb.com