1) Online Quizzes

15 different question types;
automated marking and feedback;
controlled release dates;
question bank
randomized questions and shuffled answers

2) Moodle Assignments

individual or group submission
annotate PDF or feedback file
direct or rubric grading

3) Workshop / Turnitin assignment for peer review

Workshop:

Phase based
Assessment form
Random/manual reviewer allocation

Turnitin:

PeerMark

4) Forum and OU Blog/Wiki

Forum:

5 forum types
individual or group posting
word count display
Ratings are supported for grading

Blog:

individual or group blog
Ratings are supported for grading
Commenting supported

Wiki:

individual or group wiki
word count display
Commenting supported