Twitter founders have worked hard on it to make a mainstream web property. So we can see hundreds of the websites based on twitter and made for its users. Many of the twitter-based sites are hugely popular, and these sites making thousands of dollars easily. Perhaps Twitpic is the most popular twitter based website. Popularity of Bitly is also grateful to the same site.

22 websites are described in this article.

01. twitpic.com – A popular medium to share pictures.

02. yfrog.com – Another popular medium to share pictures.

03. lockerz.com – Formerly a medium to share pictures, now a self focused website.

04. img.ly – A photo sharing service.

05. twitgoo.com – A photo sharing service but less popular than above sites.

06. tweet.grader.com – A grading system based number of friends and followers.

07. twittercounter.com – Your twitter followers’ counter.

08. mobypicture.com – Share your pictures on twitter and other sites.

09. twiends.com – A system that helps you to get more followers on twitter.

10. twitterfeed.com – Automatically share your blog posts on twitter.

11. twellow.com – A directory for twitter users.

12. sponsoredtweets.com – You get paid to share on twitter.

13. twitaholic.com – You can find out top twitter users.

14. tweepi.com/geeky_cleanup – A set of tools to manage twitter followers.

15. followerwonk.com – A set of tools to compare users, find bios, analyze users, track and short followers.

16. socialbro.com – Professional tools to explore your twitter community.

17. trendsmap.com – Get local twitter trends in real-time.

18. hashtags.org – A tool to organize twitter hashtags.

19. whatthetrend.com – Currently trending twitter trends.

20. wefollow.com – A directory for twitter users.

21. friendorfollow.com – A tool to check who have unfollowed you and take some action.

22. tweetstats.com – Make a graph of your twitter stats.

Bonus:

23. dossy.org/twitter/karma – A tool to help you manage your twitter followers.