Question2Answer is being extended by the community.

This page links to add-ons created by Question2Answer users. These are not endorsed for quality or suitability, but we hope they are useful. If you have something to contribute, please get in touch - your help is much appreciated!

Language Files

The language files below are marked by the corresponding Question2Answer version. You can safely install a language file from a different version, and update it with the missing phrases. To install a language, place its directory (such as fr or ru) in Q2A's qa-lang directory, then open the General section of the Admin panel and choose the language from the menu provided.

• Q2A 1.5.x - Bengali (বাংলা) by Shubhra Prakash Paul.
• Q2A 1.5.x - Brazilian Portuguese (Português) by Pergunte Direito.
• Q2A 1.5.x - Bulgarian (Български) by Georgi Mirchev.
• Q2A 1.5.x - Chinese Simplified (中文) by tomheng. After unzipping, rename the directory to zh.
• Q2A 1.5.x - Danish (Dansk) by Hans @ Studieguru.
• Q2A 1.5.x - Dutch (Nederlands) by Onno. Also: Dutch (Nederlands) informal by Rowdy van der Veen.
• Q2A 1.5.x - French (Français) by Gerard Saunal @ Akelaï Conseil.
• Q2A 1.5.x - German (Deutsch) (informal) by Moritz Bunkus. Also: German (Deutsch) formal by Peter Chiochetti.
• Q2A 1.5.x - Greek (Ελληνικά) by Foivos Zakkak. Also see the Greeklish URLs plugin.
• Q2A 1.5.x - Hungarian (Magyar) by Kiss Tamás @ MultiCat Ltd.
• Q2A 1.5.x - Indonesian (Bahasa Indonesia) by Ivan Lanin @ Tanja Khalayak. Also on GitHub.
• Q2A 1.5.x - Italian (Italiano) by Carlo @ Opzioni Binarie.
• Q2A 1.5.x - Japanese (日本語) by sama55 @ CMS Box.
• Q2A 1.5.x - Kurdish Central (کورد) by Sardar Hussein @ تۆری تەکنەلۆژیای زانیاری کوردی. Also add 'ku-CKB' => 'Kurdish Central - کورد', in qa_admin_language_options().
• Q2A 1.5.x - Lithuanian (Lietuvių) by Kęstutis Malinauskas @ Klausk ateisto.
• Q2A 1.5.x - Polish (Polski) by Sebastian Szulc @ Radnik.
• Q2A 1.5.x - Romanian (Română) by Popescu Traian @ IntreabaPeNet.
• Q2A 1.5.x - Russian (Русский) by FeraS @ Роборобо Android Q&A.
• Q2A 1.5.x - Serbian (Српски) by Zlata Velickovic @ Srbodroid.
• Q2A 1.5.x - Spanish (Español) by Ronald @ Preguntas y Respuestas.
• Q2A 1.5.x - Swedish (Svenska) by Anders Hellman @ VilkenApp.se.
• Q2A 1.5.x - Turkish (Türkçe) by Erkan Kodalak @ ICQTurk.
• Q2A 1.5.x - Vietnamese (Tiếng Việt) by Nguyen The Huy @ Oxy.co.


• Click to show older language files.

If your language is not listed, or is out-of-date, you can create or update language files using a text editor.

Themes

To install a theme, place its directory in Q2A's qa-theme directory, then open the General section of the Admin panel and choose the theme from the menu provided.

• Black Nano (right-to-left) by Towhid Nategheian @ AskWeb.
• Default Right-To-Left (based on Q2A Default theme) by Towhid Nategheian @ AskWeb.
• Fotonwhite and Fotonwhite RTL by Towhid Nategheian @ AskWeb.
• GrayCSS3 by sama55 @ CMS Box.
• GreenTheme by Rafael Mastaleru @ Geek-to-Geek.
• Mobile Theme by NoahY. Before Q2A 1.5, use the Theme Switcher Plugin to automatically switch themes for mobile users.
• Google-style Mobile Theme by NoahY.
• Parchment Theme by NoahY.
• Pixel n Grain Themes (Dark and Light) by Jatin Soni.
• Q2ASuperUser by Robin Sharaya @ Askoverflow.
• Twenty Eleven by Maximilian Narr. For use with the WordPress theme of the same name.
• Twenty Twelve by QA-Themes.com. For use with the WordPress theme of the same name.
• Twitter Bootstrap by Harsh J. Vakharia. Also modifies the Q2A core to work with Bootstrap.
• Zumtheme by Zumtek.

You can also create your own themes using CSS only, or (optionally) modify the HTML code.

Clients

There is now a Q2A client for Android, created by NoahY. It requires the XML-RPC plugin to be installed on the Q2A site you're using.

Plugins

To install a plugin (requires Q2A 1.3 or later), place its directory in Q2A's qa-plugin directory, then open the Plugins section of the Admin panel and check it is listed. The plugin may also offer some options on this page.

Major features

• Badges Plugin by NoahY. Provides user badges which recognize users' activities and achievements.
• Comment Voting Plugin by NoahY. Allows comments to be voted on, similarly to questions and answers.
• Network Sites Plugin by NoahY. Allows the creation of a network of interlinked Q2A sites.

Editors and viewers

• BBCode Plugin by Yared Getachew of Iyesus. Allows posts to be created using BBCode format.
• Edit Avatar by sama55 @ CMS Box. Provides users with an interface for editing their avatar image.
• Embed Youtube Plugin by NoahY. Converts links to YouTube videos into embedded videos when displaying questions, answers or comments.
• Markdown Editor Plugin by Scott Vivian of PokéBase. Markdown is a simple markup format that is readable as plain text.
• Prevent Simultaneous Edits by echteinfachtv. Prevent two users editing the same post simultaneously.
• Shortcode Plugin by NoahY. Allows posts to be displayed with text substitutions, including support for regular expressions.
• Smilies for Text by NoahY. Allows smilies to be embedded in plain text or Markdown content.
• Syntax Highlighter Plugin by Ernest Mikolajczyk of Quanda Q&A. Automatic highlighting of code in dozens of programming languages.

Integration with other products

• Akismet Plugin by Dave Hannon. Uses the Akismet spam filtering service to detect spammy posts and queue them for moderation.
• AntiBot Captcha by Krzysztof Kielce. Simple and easy captcha for Q2A 1.5+.
• BuddyPress Integration by NoahY. Basic integration with the BuddyPress social networking plugin for WordPress.
• External Categories and Tags by Mélanie Gauthier of Trisotech. Some modifications to enable integration with your existing database of categories and tags (in the same style as single sign-on).
• Google Custom Search by sama55 @ CMS Box. Replaces Q2A's internal search engine with a Google Custom Search of your site.
• IP.Board User Integration by Larry Lewis. A qa-external-users.php file to integrate with IP.Board forum software.
• LDAP Login by Karl Bitz and Foivos Zakkak. Automatically logs users in to Q2A using LDAP credentials.
• Loginza Login Plugin by Dmitry Manannikov aka SLonoed. Allows logging in via Loginza, an OpenID provider which supports many social services popular in Russia and the CIS.
• Mailing List Manager by Michael Khalili. Adds your Q2A member email addresses to your MailChimp.com list.
• MyBB single sign-on by Dahevos. Allows Q2A to be integrated into a MyBB forum, sharing the same user database.
• Open Login by Alex Lixandru. Replaces the default Facebook plugin and adds Google OpenID, Yahoo OpenID and Github OAuth.
• Proxy SSO Plugin by Larry Kluger of Master Agenda. Enables your main web application to serve as a single sign-on authentication system for Q2A.
• Spammer Checker by Walter Williams @ Sawtooth Software. On IP address pages, checks stopforumspam.com and botscout.com to see if the IP belong to a known spammer.
• XML-RPC Server by NoahY. Allows access to Q2A sites via the XML-RPC protocol, also used by the Android client.

Additional page types

• Best Users per Month by echteinfachtv @ Gute Mathe-Fragen. Displays the users with the most points each month.
• Book Plugin by NoahY. Creates an HTML (or PDF) book of a site's top questions and answers.
• Contact Form by sama55 @ CMS Box. Provides a more advanced contact form than the regular Q2A feedback page.
• Chat Room by Scott Vivian of PokéBase. Adds a simple chat room to a Q2A site.
• Dashboard Plugin by sama55 @ CMS Box. Adds a dashboard page of shortcuts to common actions for users.
• Edit History by Scott Vivian of PokéBase. Stores all edits to posts and allows users to see what changed.
• FAQ Page by NoahY. Provides a customizable FAQs page which can include an explanation of the points system on your Q2A site.
• My Followers Page by sama55 @ CMS Box. Adds a page under a user's 'My Account' section showing who marked them as a favorite.
• Open Questions Plugin by Svetlin Nakov. Provides a page displaying all questions with no answers and which have not been closed.
• Polls Plugin by NoahY. Allows some questions to be created as polls.
• Print View Plugin by NoahY. Adds a simplified print view for questions.
• User Activity Plus by Scott Vivian of PokéBase. Provides links on user pages to view all of the user's questions and answers.
• User History Plugin by NoahY. Adds an activity/points history to the user profile.
• Wiki Plugin by NoahY. Adds a wiki to a Q2A site.

Widgets

• Category Followers by sama55 @ CMS Box. Shows a list of users who have favorited a category on category listing pages.
• Favorite User Widget by sama55 @ CMS Box. Shows the user their favorite users in the sidebar or main area.
• Logarithmic Tag Cloud by NoahY. Provides a list of tags with logarithmic size indicating popularity.
• Most Active Users by echteinfachtv. Shows a list of users who were most active in the past week or month.
• My Followers Widget by sama55 @ CMS Box. Shows users a list of which other users marked them as a favorite.
• Publisher Tools (Ads) by Luke Huffey. Easy embedding of ad networks like Lijit and Chitika on multiple pages.
• Question Data Widget by sama55 @ CMS Box. Shows a lot of additional information about questions in the sidebar.
• Question Followers by sama55 @ CMS Box. Shows a list of users who have favorited a question on its page.
• Random Question Widget by NoahY. Displays a random question in the sidebar.
• Recent Events Widget by echteinfachtv. Displays all recent events in the sidebar or main area.
• Recent Questions Widget by Q2A Market. Shows a list of recent questions in the sidebar or other locations.
• RSS Feed Widget by Mark Bentley. Displays posts from an RSS feed in the sidebar.
• Tag Followers by sama55 @ CMS Box. Shows a list of users who have favorited a tag on tag listing pages.
• Tag List Widget by Scott Vivian of PokéBase. Displays the most popular tags in a simple list.
• Widget Anywhere Plugin by Scott Vivian of PokéBase. Allows custom content to be added on any page, in a variety of locations.

User interface

• Accept Rate Plugin by NoahY. Shows the percentage of questions asked by a user which had an answer selected as the best.
• Ask Notices Plugin by Scott Vivian of PokéBase. Displays warnings/hints for users asking questions with specific keywords.
• Bookmarking Plugin by NoahY. Allows questions to be bookmarked by users.
• Confirm Plugin by NoahY. Provides a browser warning when leaving a page in which text has been entered.
• Empty Tag Cleaner by sama55 @ CMS Box. Removes empty HTML tags from pages displayed.
• Extra Question Fields by sama55 @ CMS Box. Allows multiple extra text, checkbox, selection or radio button fields to be added to questions.
• Featured Questions by NoahY. Allows featured questions to be kept at the top of question lists.
• Image Resize by sama55 @ CMS Box. Resizes uploaded images which are larger than a specific maximum width or height.
• Privilege Management by NoahY. Adds a tab to user profile pages showing progress towards additional privileges.
• Role Markers by NoahY. Adds markers to the avatars displayed for users with special privileges.
• Social Sharing Plugin by NoahY. Adds social sharing buttons to question pages.
• Subnavigation Maker by sama55 @ CMS Box. Allows custom subnavigation links to be displayed in the navigation bar.
• Tag Descriptions Plugin from the plugin tutorial. Allows tag descriptions to be shown on tag pages and in tooltips.
• Theme Switcher Plugin by NoahY. Allows users to choose their own theme on their profile page.
• User Signatures Plugin by NoahY. Allows users to define a signature for all of their posts.

Notifications

• Async Email Plugin by sama55 @ CMS Box. Allows notification emails to be delivered asynchronously. For use by other plugins.
• Category Email Notifications by Pehr Johansson. Emails new questions in a category to all users who favorited that category.
• Email Formatting by Ruut Brandsma @ Ecofys. Allows HTML formatting to be used in notification emails.
• Email Notification Pro by sama55 @ CMS Box. Provides many more types of email notifications to users and administrators.
• Email Notifications by Walter Williams @ Sawtooth Software. Allows users to receive notifications about new questions and answers.
• Newsletter Plugin by NoahY. Allows users to receive an HTML newsletter of the latest top questions, answers and comments.

Administrative tools

• Admin Plus Plugin by NoahY. Extends the admin area by allowing PHP commands to be executed. (Use with caution!)
• Advanced XML Sitemap by sama55 @ CMS Box. Provides an valid XML sitemap for Q2A sites with over 50,000 pages.
• Categorization Plugin by NoahY. Allows individual categorization of uncategorized posts via the categories admin panel.
• Closed Site by sama55 @ CMS Box. Allows Q2A sites to require users to log in to view any of their content.
• Database Backup/Restore by Krzysztof Kielce. An admin tool for one-click backup and restore of the Q2A instance or entire database.
• Expert Questions by NoahY. Allows some questions to made viewable by experts only.
• Google Analytics Plugin by Ivan. Analyze Q2A traffic with Google Analytics, optionally excluding requests from the super admin.
• Greeklish URLs by Kiourkoulis Stefanos. Converts Greek characters in question URLs into Latin equivalents.
• Language Filter by sama55 @ CMS Box. Allows easy modification of the text used for Q2A's interface.
• List Uploads Plugin by echteinfachtv. Shows a list of uploaded images and allows unused images to be deleted.
• Permission to Categories by Kirill Fuchs. Enables minimum permissinos to be defined for viewing questions in each category.
• Plugin Order by sama55 @ CMS Box. Allows the order of plugin loading to be modified (requires core hack).
• Question Merge by NoahY. Allows questions to be merged, with answers and comments moved from one to the other.
• SEO Meta Tags by Dave Hannon. Uses meta robots tags to exclude some pages with duplicate content from search engines.
• Tagging Tools Plugin by Scott Vivian of PokéBase. Allows admins to set tag synonyms so that unwanted or duplicate tags are changed or removed. Can also prevent low reputation users from creating new tags.
• WYSIWYG Editor for Admin by sama55 @ CMS Box. Allows WYSIWYG editing of custom pages and HTML in the admin panel.

For older versions of Q2A

• Ajax Comment Form by NoahY. Display and submits dynamically loaded comment forms without refreshing the page, for Q2A versions prior to 1.5.
• Question Closing by NoahY. Allows questions to be closed in Q2A 1.4.x.
• XML Sitemap Generator by Simon Frerichs. Q2A 1.3 now includes a Sitemap generator so this may not be necessary.

Click for documentation on creating Q2A plugins (requires PHP programming).