Visual Modeling Tools
LucidChart -- cloud-based visual modeling tool similar to Visio; supports storyboarding, UML, and other IS diagrams
Pidoco -- cloud-based storyboarding and mockup tool
Pidoco -- cloud-based storyboarding and mockup tool
Collaboration Tools
Statistical Analysis Tools
Excel Live -- cloud-based version of Microsoft Excel
Google Sheet -- cloud-based spreadsheet tool
Google Sheet -- cloud-based spreadsheet tool
Web Development Tools
Weebly -- cloud-based web site development and hosting platform
Zoho Creator -- cloud-based development platform for database-driven web applications
HTML Editor -- interactive cloud-based HTML editor
Zoho Creator -- cloud-based development platform for database-driven web applications
HTML Editor -- interactive cloud-based HTML editor
Mobile Interface Development Tools
The above tools are all cloud-based and are accessible through any browser that supports Flash and/or Java. Be sure to test them on mobile and ChromeOS devices. Unless indicated otherwise, the tools are free or an educational license has been obtained through a grant. Access the tools through the above links to obtain the free licenses.