Clikapad - ppvote software portfolio is a PowerPoint add-in that has been specifically designed to be used with CLiKAPAD audience response system hardware.
Mobbin - Latest mobile design patterns & elements library
Imaginators - Create interactive presentations
pttrns - iPhone and iPad user interface patterns
Mentimeter - a web-based polling tool for workshops, conferences & events
Page Flows - User flow design inspiration for mobile & desktop