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.
PackMojo - Create custom packaging in 3D and order in low volume
Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
Repack - Reusable and returnable packaging service for e-commerce
5Tweets.com - Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.
Packlane - Customize and order packaging in 3D