Cryptgeon - Securely share self-destructing notes
NaaS - Nudity-detection as a service run on solar powered Rasp Pi's
BURN.link - Send secure, encrypted, self-destructing messages
Blur - Blur is a software application available for both Google Chrome and your smartphone. It's developed by Abine, an online privacy company trusted by more than twenty million people. Read more about Blur.
Burner Note - Burner Note is a free, ad-free and open sourced service for sending secure text based notes that are completely erased from existence once they've been read.
DataMask.tech - Mask private data before taking screenshots