Collaborative question/answer plugin for WordPress

I am looking for a collaborative question/answer plugin built in the same sort of style as StackOverflow.

Features I am looking for:

  • Profiles
  • Index of questions with search by tag/title/contents
  • Vote up/down
  • Edit yours and other peoples questions+answers (wiki style)
  • Integrated markdown (or similar)

Before you ask, yes I have seen Question and Answer Forum Plugin and WP-Answers but neither have support for collaborative editing.

Topic stackoverflow wiki design plugin-recommendation forum Wordpress

Category Web

1
answered at

Try Q&A Lite plugin. I could not find it by search on my site plugin install, but downloading the zip and uploading in the admin helped.

1
answered at

WPMU's Q&A plugin has almost all the functionality you're looking for -- it uses HTML instead of Markdown. The admin panel lets you assign various capabilities to different roles, including the ability to edit others' questions and answers.

1
answered at

Templatic has one called Q&A WordPress. Here is the demo.

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