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
Pakible - Custom packaging, made simple. 10 boxes for $10
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.
Die Cut Templates - Generate custom professional packaging templates in seconds.
5Tweets.com - Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.