TwitLonger
TwitLonger is a simple service that lets you post those tricky messages on Twitter that really do need more than 140 characters. Write what you need on TwitLonger, and the website posts the link to Twitter for you.
5Tweets.com
Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.
Twishort
Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
twtmore
Write a tweet too long? It's way over that dang 140 character limit? Use twtmore. We make posting tweets (over 140 characters) ...
Twinormous
Go over 140 characters on Twitter by splitting long messages into multiple tweets with Twinormous. Rather than requiring follo ...
Long Tweet Splitter
140 character is NOT Enough? then Split down your long hashtaged tweet
tweenjoy
Tweenjoy allows you to send longer tweets to Twitter with more than 140 characters. You can personalize your tweet as you like ...