you can use www.tweetattackspro.com
TweetAttacksPro 4 is designed to run thousands of twitter accounts at the same time 24/7 to auto-follow, unfollow, follow back, tweet, retweet, reply, favorite, delete tweet, unretweet, unfavorite,add to list and send messages to your new followers ..etc. Every account can have its own settings thus preventing twitter from becoming suspicious about the account, plus the software can simulate human operation perfectly!you can add my skype:anthong.brown3
Smart Task Settings
TweetsAttacksPro 4 splites all basic functions (follow, unfollow, search, tweet etc...) into small modules, you can combine these modules to create a very complex task, it can do anything you want.