Now a days you need multiple twitter accounts, a business account, a personal account and one for your blog or site. The problem is how you will be able to manage all these twitter accounts, do you have to sign out from one account to tweet from other account?, no you don’t have to as there are different web applications which help you to manage your multiple twitter accounts.

Here i have listed down the 4 best twitter web apps.

1. Splitweet

Easy management for multiple Twitter accounts and brand monitor.

2. Matt

Multiple account twitter tweeting. Matt makes it easy to post to multiple Twitter accounts without having to log into each one every time.

3. Tweet3

An advanced, Web-based Twitter client that supports grouping, Facebook, stats, multiple accounts, pretty pictures, trending topics, and all sorts of other cool, awesome, and fantastic stuff.

4. TwitIQ

Twitiq is a smarter twitter client. You can get real time updates and manage multiple accounts.

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On January 9, 2007, Steve Jobs announced the iPhone at the Macworld convention. It went on sale June 29, 2007 in the United States. It launched in Great Britain and Germany on November 9, 2007.

In the Apple’s Worldwide Developer’s Conference held on June 11, 2007, an announcement was made that the iPhone will be able to support third-party applications with the use of the Safari engine. Third-party software companies will design Web 2.0 applications and end-users can access them through the Internet. So as the iphone became popular third-party software companies jumped in and started web 2.0 application for iphone. I tried to compile 40 best web 2.0 iphone applications and sites.

Checkout the 40 best web 2.0 iphone applications and sites below:

Please note that these are not listed in any particular order.

1. Mobileme

A new service for your iPhone, iPod touch, Mac, and PC.

2. iPhone SDK

Develop your application with the iPhone SDK and a wealth of technical resources in the iPhone Dev Center.

3. WordPress for iPhone

Introducing the only iPhone app that lets you write posts, upload photos, edit pages, and manage comments on your blog from your iPhone or iPod Touch.

4. Mint

Get your balances, budgets, alerts, transactions and spending trends all on your iPhone! Free!

5. Microsoft Tag

Microsoft Tag instantly connects you to more information and entertainment – without typing long URLs or texting short code.

6. 148Apps

iPhone Application Reviews.

7. TwitterFon

Simple, Clean, and Fast Twitter Client for iPhone and iPod Touch.

8. AppCraver

iPhone apps reviews and news.

9. Fresh Apps

Fresh Apps for the iPhone.

10. iPhone Toolbox

The best daily iphone resources.

11. Greystripe

Rich Media Flash Ads for the Iphone.

12. Please Fix the iPhone

PleaseFixTheiPhone is a technological ode to our favorite phone.

13. Outpost

Outpost brings the power of Basecamp to your iPhone or iPod Touch.

14. Firetask

Managing all your tasks and ideas in a single place.

15. Ego

Ego gives you one central—and lovely—location to check web statistics that matter to you.

16. Tic A Tac Poker

An amazingly addictive game based on the patented Tic A Tac family of games.

17. QuadCamera

The 4th release in the series of our ToyCamera, which you can take continuous shooting.

18. Gowalla

Gowalla is a location-based travel game that rewards you for visiting both everyday and extraordinary places with your iPhone.

19. Parking Apps

Avoid the costly tickets and towing that can result from expired meters.

20. FlightTrack

The easiest, most portable way to get updates on your flight’s status.

21. Mobrise

Top Floor is a mobile client for Highrise in your iPhone.

22. Transactions iPhone

Accept Credit Cards, Anytime, Anywhere, for Anything.

23. MindMaker

Mind mapping for iPhone and iPod touch.

24. Leaflets

Leaflets are small, mobile web-based applications you access from Safari on your iPhone or iPod Touch.

25. Tapku

Manage Tasks Quickly and Easily.

26. Borange

Borange is an iPhone app for sharing social availability.

27. EatRight

Eat right with a daily food diary.

28. Mashspots

Local search made easy.

29. SnapDat

Send & Receive your Contact Information in a Snap.

30. Retweet

Display the most popular retweets on Twitter on iPhone.

31. EyeKiwi

The legal and collaborative speed camera advertiser for iPhone.

32. Boombox

A new way to experience music on the iPhone and iPod Touch.

33. Blog2iPhone

Blog2iphone is a free service that seeks to offer to the user an iPhone version of his blog.

34. Relations Manager

Relations Manager for iPhone.

35. iCursor

The Mouse for the iPhone/iPod Touch.

36. flickr2iPhone

Flickr2iPhone allows you to export your flickr.com.

37. Adrollo

The Best iPhone Ad Solution.

38. Tag It

TagIt Like It’s Hot is a cross platform bookmarking service that provides free Social & Private Bookmarking.

39. i-Yo-Re-Mo

Logical game with a simple ultimate aim.

40. FlightCheck

Choose a country to view flight arrival and departure times.

41. Wixi

Latest multimedia files on Wixi!

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