We know you want to share your great idea...but are you worried that someone will steal it An NDA (Non-Disclosure Agreement) creates a confidential relationship between at least two parties to protect any type of confidential or proprietary information. It's your first line of defense. Reached the #25 free Business app in the US in April 2010! Top 100 free Business app in 18 countries! Customer Reviews: A fellow entrepreneur referred me to this app... It's simple and easy to use.