Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
Call To Action - Call Congress with a tap
Privatter - Privatter is the easy way to share long texts and pictures set limit on your followers. You can post them by Sign in with Twitter account to this site.
CallParty - Voices heard better together
5Tweets.com - Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.
Burst - Burst has thousands of hi-res photos that are free to use.