Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers
Communifire - Enterprise Social Collaboration Software
Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Chronicler - ChoiceScript Visual Code Editor
DigitalChalk - Online Training Software and Learning Management System (LMS)