www.ypox.com

       ypox provides free service to its users, which include,

•     exciting quiz
•     free sms anywhere in India

        In addition to this, the users on Ypox can also earn rewards by participating in these activities. The services of Ypox are completely free to its users.

Link: http://www.ypox.com

www.agoogleaday.com

        A Google a day is the new daily puzzle from Google. There is no right way to solve it, but there's only one right answer. Find the answer with your creativity and clever search skills.

Link: http://www.agoogleaday.com/

www.e-diagnostics.com

          E-Diagnostics provides scientific psychometric tests that are fun.

         There are many fun tests but they are not scientific. There are also scientific test but these are not fun. Because they are not fun they do not become popular. For that reason most of the tests that you see online or on Facebook are just quizzes without any real ability to measure psychometric dimensions.

         E-Diagnostics made long, boring scientific tests shorter and more interesting without reducing too much their predictive psychometric power. The results are tests that are both fun and scientific.

         In case you are a user you can benefit from the E-Diagnostic test for free on Facebook!

        If you are a company you might want to use E-Diagnostics scientific test to enhance your service and increase the viral marketing power! It already offer its services to many websites.

Link: http://www.e-diagnostics.com/

www.elllo.org

          Listening samples of English speakers from around the world with transcripts and interactive quizzes. elllo activities include multimedia, free MP3 files, vocab tasks, language notes, print page and more. The mp3 files and text on elllo are Creative Commons. Students and teachers are free to download, copy and distribute these materials for educational purposes.

Link: http://www.elllo.org/

www.mathsisfun.com

         In mathsisfun.com, Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents. The main content of the site is aimed at Kinder to Year 12. However you will find some more complex stuff.  Hopefully there should be something for everybody. 

Link: http://www.mathsisfun.com/

www.polldaddy.com

            Polldaddy is the most powerful and easy-to-use survey software around. Using Polldaddy, you can create stunning surveys, polls, and quizzes in minutes. Also you can collect responses via your website, e-mail, iPad, Facebook, and Twitter. You can generate and share easy-to-read reports.

Link: http://www.polldaddy.com/

www.viewbestads.com

    Its simple but interesting concept, get rewards for zero investment and for no buying/selling of products; on top of it you see ads of your interest, read only positive news, participate in quiz etc.

At VBA you can,

• Find any published ad, Read only positive news, See ads of only your interest and the best part get rewarded for it, forever!!
• Be updated with happenings ( Big or Small) in your home town. Post news and get rewarded too! Share news with your loved ones as Sharing is Caring!!  
• Play HQC, Get smarter and Win gift points every hour. The HQC will definitely improve your GK, IQ, and bank balance too. HQC is very useful for all age and income groups.
• Win Free Talk Time, Send Free SMS, Add/read Jokes and top of it Earn Lacs of gift Points every day! Interesting feature, Everybody is winner!! MUST TRY!

Link: http://www.viewbestads.com/

www.c2w.com

          Contests2Win is a leading player in the Online Entertainment Space. In India, we are the first and only User Generated Contesting website. Users can play & create their own contest on any Contests2Win's 7 Contesting Engines –
Quizzes, Hangmans, Crosswords, Twisters, Polls, Face-Offs and Rate Me
          Since October, 2007 over 25,000 contests have been created by users on the site. Brands have successfully used Contests2Win’s platform to employ users to act as their ambassadors and create content for their brand. Contests2Win has given away Rs. 8.5 Crores worth of prizes till date.

Link: http://www.c2w.com/