Welcome to Moodle CodeRunner
CodeRunner is a free open-source question-type plug-in for Moodle that can run program code submitted by students in answer to a wide range of programming questions in many different languages. It is intended primarily for use in computer programming
CodeRunner is normally used in Moodle's adaptive quiz mode; students paste in their code in answer to each programming question and get to see their test-case
results immediately. They can then correct their code and resubmit, typically for a small penalty.
CodeRunner is currently used on over 2600 registered Moodle sites worldwide, as shown in the following chart from the Moodle plugin repository: