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Jekyll

A static site generator powering GitHub Pages.

Jekyll converts Markdown content and Liquid templates into a static website. Jekyll's defining feature is its tight integration with GitHub Pages, which builds Jekyll sites automatically from any repository configured to publish a branch. This was the catalyst for Jekyll's popularity in the early 2010s and made personal blogs and project documentation sites easy to ship without operating a server.

Tom Preston-Werner, GitHub's co-founder, released Jekyll in 2008. The project remains MIT-licensed and is now maintained by a community of volunteers under the Jekyll organisation.

Jekyll has been overtaken in raw build performance by Hugo and Eleventy, and in modern frontend tooling by Astro, but it retains a substantial install base because of GitHub Pages and because many established static-site templates target it. For small documentation sites, personal blogs, and academic project pages, Jekyll plus GitHub Pages remains a popular zero-cost publishing path.

gem install jekyll bundler
Or:
  Debian/Ubuntu: sudo apt install jekyll
  Fedora/RHEL:   sudo dnf install rubygem-jekyll
  macOS:         brew install jekyll