Better Notes - Simple notes app that ties notes together with #hashtags
Encrypted Notepad - Encrypted Notepad is a very simple to use application providing state of the art...
Whimsical - The visual workspace for teams.
Notebook PEA - Protects your private notes with a password.
Startup Notes - Most actionable advice from each Startup School speaker
Paranoia Text Encryption - Paranoia Text Encryption encrypts text according to a choice of strong algorithms.