| 1 | http://www.linkedin.com/answers | Active |
| 2 | http://zhidao.baidu.com/ | Active |
| 3 | http://answers.yahoo.com/ | Active |
| 4 | http://www.ask.com/answers | Active |
| 5 | http://www.wolframalpha.com/ | Active |
| 6 | http://askville.amazon.com/ | Active |
| 7 | http://en.wikipedia.org/wiki/Wikipedia:RD | Active |
| 8 | http://www.reddit.com/r/AskReddit | Active |
| 9 | http://www.prnewswire.com/profnet | Active |
| 10 | http://iask.sina.com.cn/ | Active |
| 11 | http://wiki.answers.com/ | Active |
| 12 | http://goaskalice.columbia.edu/browse-our-qa-library | Active |
| 13 | http://www.quora.com/ | Active |
| 14 | http://www.answers.com/ | Active |
| 15 | http://www.yedda.com/ | Active |
| 16 | http://www.trulia.com/voices/qa/ | Active |
| 17 | http://answers.webmd.com/ | Active |
| 18 | http://www.ehelp.com/ | Active |
| 19 | http://en.bab.la/forum/ | Active |
| 20 | http://www.straightdope.com/ | Active |
| 21 | http://www.science.ca/askascientist/askascientist.php | Active |
| 22 | http://aolanswers.com/ | Active |
| 23 | http://qna.rediff.com/ | Active |
| 24 | http://www.sharecare.com/ | Active |
| 25 | http://www.allexperts.com/ | Active |
| 26 | http://stackexchange.com/ | Active |
| 27 | http://mathoverflow.net/ | Active |
| 28 | http://www.mahalo.com/answers | Active |
| 29 | http://www.newton.dep.anl.gov/ | Active |
| 30 | http://www.madsci.org/ | Active |
| 31 | http://kin.naver.com/ | Active |
| 32 | http://www.justanswer.com/ | Active |
| 33 | http://www.experts-exchange.com/ | Active |
| 34 | http://www.enotes.com/q-and-a/ | Active |
| 35 | http://www.chacha.com/ | Active |
| 36 | http://www.avvo.com/ | Active |
| 37 | http://www.formspring.me/ | Active |
| 38 | http://www.fluther.com/ | Active |
| 39 | http://www.computerhope.com/qanda.htm | Active |
| 40 | http://ask.metafilter.com/ | Active |
| 41 | http://ask.fm/ | Active |
| 42 | http://www.askmehelpdesk.com/ | Active |
| 43 | http://www.askalo.com/ | Active |
| 44 | http://www.healthtap.com/ | Active |
| 45 | http://www.answerbag.com/ | Active |
| 46 | http://otvety.google.ru/ | Active |
| 47 | http://www.askdeb.com/ | Active |
| 48 | http://otvet.mail.ru/ | Active |
| 49 | http://www.question.com/ | Active |
| 50 | http://www.mylot.com/ | Active |
| 51 | http://respuestas.trabber.com/ | Active |
| 52 | http://www.funadvice.com/ | Active |
| 53 | http://www.querycat.com/ | Active |
| 54 | http://uclue.com/ | Active |
| 55 | http://www.girlsaskguys.com/ | Active |
| 56 | http://www.blurtit.com/ | Active |
| 57 | http://www.askpedia.com/ | Active |
| 58 | http://able2know.org/ | Active |
| 59 | http://www.theanswerbank.co.uk/ | Active |
| 60 | http://www.webanswers.com/ | Active |
| 61 | http://www.snappyfingers.com/ | Active |
| 62 | http://www.goeievraag.nl/ | Active |
| 63 | http://www.whyzz.com/ | Active |
| 64 | http://www.grupthink.com/ | Active |
| 65 | http://www.flipter.com/ | Active |
| 66 | http://x2.fi/ | Active |
| 67 | http://whatshouldisay.com/ | Active |
| 68 | http://www.helpfulbox.com/ind | Active |
| 69 | http://www.dizzay.com/ | Active |
| 70 | http://3form.org/ | Active |
| 71 | http://www.mshd.net/ | Active |
| 72 | http://lostquery.com/ | Active |
| 73 | http://homeschoolhelpdesk.com/ | Active |
| 74 | http://www.dearwabby.com/ | Active |
| 75 | http://www.answerflip.com/ | Active |
| 76 | http://sintei.com/ | Active |
| 77 | http://www.w5hanswers.com/ | Active |
| 78 | http://sn50.com/ | Active |
| 79 | http://whanswers.com/ | Active |
| 80 | http://www.answerhighway.com/ | Active |
| 81 | http://cgi.cs.indiana.edu/~oracle | Active |
| 82 | http://diganswers.com/ | Active |
| 83 | http://eduflix.tv/ask | Active |
| 84 | http://www.hesitation.co.uk/ | Active |
| 85 | http://junglr.com/splash/ | Active |
| 86 | http://www.socialanswers.com/ | Active |