Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
InformaCast - InformaCast is a leading mass notification software solution that helps organizations reach everyone with critical information.
Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers
Call-Em-All - Call or send messages to friends and family members as well as other people who are online. The app allows you to create a message and send it out to multiple devices and pages.
Quest - Quest lets you create sophisticated text-based games, without having to program.
DialMyCalls - The easy to use mass and emergency notification platform. Send a phone call, text message or e-mail to your entire list of people in seconds.