Quia
Quia is an impressive online subscription-based service ($49/yr) for
creating games, quizzes, web pages, surveys, calendars, and more. It
features a directory of thousands of online activities and quizzes in more
than 50 subject areas and templates for creating 14 different types of
online activities. Their names and scores are recorded, and the instructor
can analyze and print the results using Quia's reporting tools.
Instructors can also change student scores and grade short answer and
essay questions and add bonus points and provide comments for each student.

Discover School Quiz Center
Discovery School Quiz Center is a free tool to create, administer, and
grade quizzes online. Quiz Center provides a web address for students to
access the quiz and emails the graded and corrected results to you, but
has no database to keep the scores.

Quizlab
Quizlab enables you to create your own online quizzes or select from a
library of teacher-created quizzes. Has automatic scoring and recording
and tracks student progress. It can be integrated with MyGradeBook.Com.

QuizStar
QuizStar is a free web-based program to create a custom quiz that others
can take online. Quiz Star provides a web address for students to access a
quiz and tells you when a student takes it. It also keeps aggregate data
on the website for all quizzes taken by students.

Hot Potatoes
The Hot Potatoes downloadable program includes six applications, enabling
you to create interactive multiple-choice, short-answer, jumbled-sentence,
crossword, matching/ordering and gap-fill exercises for the World Wide
Web. Hot Potatoes is not freeware, but it is free of charge for non-profit
educational users who make their pages available on the web.