Overview

The Question Module has a different focus that a general community Q&A service. It is intended to support a moderated "Ask the Expert" service in which users may ask questions, moderators may answer them, and then the community can comment on answers. The site can be configured so that comments are either posted directly or approved by a moderator.

You can see it in action here.

Documentation is available here.
The module provides some workflow features in which a moderator can review unapproved questions and unapproved comments and take action on them.

The module also provides some blocks which site builders can use: Recent Question, Random Question, Recent Comments.

Finally, the module defines some permissions to help with the moderation role.

Maturity

Question has over 150 sites using it. It is unclear how actively it is maintained. The last "recommended release" was more than a year ago. It appears to be under active development.

Strengths

Question provides a simple interface for managing an "Ask the Expert" feature which has been used on a large scale site.

Opportunities

Question does not provide many features. It lacks views support or, more generally, methods to help users navigate to questions.

It uses a unique way of temporarily storing new questions in the database before promoting them to full drupal nodes. This makes it less flexible for site developers to modify.