A program that I use on a regular basis to protect and hide my personal text based notes is called Steganos LockNote. In a sense it is like notepad with an encryption option.
Store your most valuable notes as a LockNote
Hide your serial numbers, passwords, phone numbers and everyday notes in a safe place. Your informations will be encrypted using a password and most modern AES 256bit encryption technology.
Secure, yet simple
Just double-click a LockNote and enter your password to access your text files as usual.
No installation required
Move LockNotes wherever you want, as often as you want. A LockNote document does not require much more hard drive space than an unencrypted document.
Encrypt existing text files in no time at all
Simply drag and drop existing text files on a LockNote window: they will be encrypted automatically.
Open and free
LockNote is open source and is based upon open source technologies, e.g. the certified CryptoPP program library for strong encryption.
GEEK BONUS AREA
For the first time users can setup & maintain their router easily from its highly intuitive touch screen. You can avoid the cumbersome PC/Mac based setup that is common with other routers. Its dual purpose — You can use it either as a Wireless Router or a Range Extender