The following is a list of some popular third-party Moodle add-ons (in alphabetic order), available through Modules and plugins link at http://moodle.org, as well as a brief description for each plug-in:
Accessibility Options (Block)
Book (Activity Module)
Certificate (Activity Module)
Feedback (Activity Module)
The activity module allows users to create and conduct surveys to collect feedback. The module is planned to be included in the core of Moodle 2.0. We will be using the Feedback module as an example for installing a third-party add-on later in...