This is the GitHub repository for the Julia programming language project's main website, julialang.org. The repository for the source code of the language itself can be found at github.com/JuliaLang/julia.
Julia Website is generated using GitHub pages and Jekyll, follow these instructions.
In short, be sure you have ruby installed, $ gem install bundler to install bundler, run $ bundle install from the root of this repository.
You only have to do this once.
Now you can run $ bundle exec jekyll serve in the root of this repository to serve it, usually on http://localhost:4000.