It turns language-specific module-loading statements like include, require or import into links. Depending on the language it will either redirect you to the referenced file or to an external website like a manual page or another service.
It can make sub-folder/sub-directory of github repository as zip and download it. You can also use the API if you would like to incorporate this into your own website. Clone this repository so that you will have the appropriate files. Then just call the API.
Simple and discreet extension that enhances GitHub's search, letting you search for repositories and people faster than ever.