Alternatives to Aardvark for all platforms with any license

Stack Overflow

Stack Overflow is the largest, most trusted online community for developers to learn, share? ?their programming ?knowledge, and build their careers.

Free Personal $ $ $ Web Android iPhone
Q&A Community based Keyword Research Knowledge base ... Point System Q&A Add a feature

412 Like
Stack Exchange

Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software programming to cooking to photography and gaming....

Free Web Android iPhone Android Tablet iPad
Q&A Add a feature

251 Like
Quora

Quora.com is a question/answer service allowing users to pose questions that other users can answer, each question and answer can have comments, each users can write one...

Free Web Android iPhone
Anonymity Q&A Community based Point System ... Q&A Add a feature

205 Like
Super User

Super User, part of Stack Exchange , is a Q&A site for computer enthusiasts that's free. Free to ask questions, free to...

Free Web
Q&A Add a feature

56 Like
Server Fault

Server Fault is a Q&A site for system administrators and IT professionals that's free. Free to ask questions, free to answer questions, free to read, free to...

Free Web
Q&A Add a feature

23 Like
Yahoo! Answers

Yahoo! Answers is a way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Free Web
Q&A Add a feature

18 Like
Wiki Answers

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.
- Discontinued
  The answering and asking question features have been disabled since its parent company decided to discontinue the service. However, the website is still up as an information archive that is searchable in case if anyone has a similar question that exists within the archive.
Free Web
Q&A Add a feature

5 Like
Fluther

Question and answer service based on user profiles and a user score. Questions can be answered via the web page or via IM integration.

Free Web
Q&A Add a feature

3 Like
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Experts123

Experts123 is a Question and Answer Encyclopedia that provides answers from an Expert community. Experts123 works to provide an answer to any well formulated question...

Freemium Web
Q&A Add a feature

3 Like
BeenAsked.com

BeenAsked.com lets you search all the major questions & answers websites on the internet from one search box. Using this service can save you a lot of time and...
- Discontinued
  looks like the service is discontinued, the page is no longer up and the twitter hasn't received postings since 2010
- Warning
  Suspicious behavior when clicking homepage. Possible malware.
Free Web
Q&A Add a feature

2 Like