block socialbookmark
From MoodleDocs
About Social Bookmarking block for Moodle
Social Bookmark block for Moodle is a simple way to allow your students to add bookmarks of different web pages and resources to a course page.
Features
Social Bookmark allows student to add new bookmarks and rate bookmarks which have been added by other students.
Installation
Installation of the block_socialbookmark is a simple process and requires no additional configuration to be completed.
To add the block to your Moodle course page, download the latest version of the block from [1]