When comparing Jekyll vs Pelican, the Slant community recommends Pelican for most people. In the question“What are the best static site generators?” Pelican is ranked 1st while Jekyll is ranked 5th. The most important reason people chose Pelican is:
All code is available on GitHub.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro GitHub Pages offers free hosting with a github.io subdomain
You can host your site with great stability and Jekyll support out of the box for free by using GitHub pages.
Pro Can use HTML to set up your page templates, and markdown for your blog posts
Pro Has a built in server
You can spin up a static server at localhost:4000 by running jekyll serve
Pro Code highlighting with pygments
Jekyll has Pygments code highlighting built in so you can create syntax highlighted code blocks on your blog.
Pro Excels at blogging
Jekyll pages are structured by posts, which makes it easier to build a blog.
Pro Decent documentation
Link to docs
Pro Import your existing blog from many sources
Jekyll supports importing from many dynamic blog engines:
- CSV
- Drupal 6
- Drupal 7
- Enki
- Google Reader
- Joomla
- Jrnl
- Marley
- Mephisto
- Movable Type
- Posterous
- RSS
- S9Y
- Textpattern
- Tumblr
- Typo
- WordPress
- WordPress.com
Pro Has built in watch mode
Watch mode will reconstruct the site as pages are updated which is great for testing.
Pro Large, active and helpful community
Thanks to it's popularity, Jekyll has a large and active community of users. This means there is plenty of learning material available for Jekyll and it's easy to find help from other users when needed.
Pro Customisable with data and collections
Can make sites very different from blogs but with a lot of pages by making templates using data and collections.
Pro Open source
All code is available on GitHub.
Pro Active community
Pro Uses a versatile, powerful and easy to use templating engine
Uses Jinja.
Pro Code syntax highlighting
Uses Pygments for code highlighting.
Pro Support for unique templates per page
Adds flexibility to create variety of websites.
Pro Content can be written in multiple formats
Supports reStructuredText, Markdown, or AsciiDoc formats.

Pro Import your existing blog from many sources
Pro Customisable Themes and support for Plugins
Makes it flexible to cater to creation of variety of websites in addition to blogs.

Pro Multilingual
Easily handles multiple languages, like EN, FR, etc.
Pro Quite fast even for sites with thousands of posts
Can spin up an build sites with thousands of articles in a matter of seconds even on very old computers.
Cons
Con It's slow for sites with a lot of posts

Con Little Windows support
Windows is not an officially supported platform and setting it up on Windows requires a lot more tinkering than Linux or OSX.
Con Theme inheritance doesn't seem to be a priority
There have been endless discussions for years but theme inheritance still doesn't seem to be a thing. You can "inherit" from the simple theme so you don't have to have all the required files in your theme, but that's as far as it goes.
Con Not as powerful as other more popular site generators
Con A little bit slower than some of its competitors
