Top5opensourceQ&Asystems

推薦幾個和stackoverflow類似的開源框架，PostgreSQL重度使用者建議使用OSQA，可以支援問題，回答，comment的中文全文檢索。

List of the open source Q&A implementation or stackoverflow-like website, with “Active” development and promising features and community.

P.S This list is not in any particular order.

1. OSQA

• Website : http://www.osqa.net
• Demo : http://meta.osqa.net
• Language : Python, Django
• Database : MySQL, PostgreSQL or Microsoft SQL Server
• License : GNU General Public Licence (GPL)
• Source code : http://www.osqa.net/download/
• Created by : Folks at DZone

2. Shapado

• Website : http://shapado.com
• Demo : http://shapado.com
• Language : Ruby , MongoMapper
• Database : MongoDB (Document Based DB engine)
• License : GNU Affero General Public License (AGPL)
• Source code : http://gitorious.org/shapado
• Created by : David A. Cuadrado

3. Askbot

• Website : http://askbot.org
• Demo : http://askbot.org
• Language : Python, Django
• Database : MySQL, PostgreSQL
• License : GPL3
• Source code : https://github.com/ASKBOT/askbot-devel/
• Created by : Mike Chen and Sailing Cai

4. Question2Answer

• Website : http://www.question2answer.org
• Demo : http://www.question2answer.org/qa/
• Language : PHP
• Database : MySQL
• License : GNU General Public Licence (GPL)
• Source code : http://www.question2answer.org/install.php
• Created by : Gideon Greenspan

5. LampCMS

• Website : http://www.lampcms.com
• Demo : http://support.lampcms.com
• Language : PHP
• Database : MongoDB
• License : GNU LESSER GENERAL PUBLIC LICENSE (LGPL) version 3
• Source code : https://github.com/snytkine/LampCMS
• Created by : Dmitri Snytkine (Twitter)