Privnote is described as 'Share a confidential note via a web link that will self-destruct after it is read by your intended recipient' and is an website in the security & privacy category. There are more than 25 alternatives to Privnote, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best Privnote alternative is Signal, which is both free and Open Source. Other great sites and apps similar to Privnote are Molly, FluffyChat, vanish.so and BurnChat.