Wireframe.cc - Sweet and simple online wireframing tool.
Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
WireframeSketcher - WireframeSketcher is a wireframing tool for creating wireframes, mockups and prototypes for desktop, web and mobile apps. It's a desktop app for Mac, Windows and Linux, and a plug-in for any Eclipse IDE.
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.
Saola Animate - Easily create engaging HTML5 animations and interactive web content without coding skills
5Tweets.com - Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.