TexToys is a question authoring shareware program that bundles the questions into quizzes. These quizzes can be uploaded into Moodle and used by the Hotpot module.
There is a full feature version associated with a webhosting service.
- TexToys for downloads and more information
- Hot Potatoes- another similar question authoring program used by HotPot
- QuizPort Scheduled to replace Hotpot in Moodle 2.0