TL:DR; Create encrypted USB Stick with embedded autoplay module.
Create encrypted USB Sticks. Every encrypted usb stick contains AutoPlay module. You just need to connect the encrypted usb flash drive to the computer and enter password to work with it.
4Safe StrongDisk Pro protects your sensitive data on PC,laptop and removable media. It creates virtual encrypteddisk, which works as a common disk, but all its contentis encrypted. To mount disk a password and/or an externalkey is required.
Sign a single PDF file or bulk multiple PDF files in any folder with X.509 certificates in PKCS#12 format (PFX) without the need of Adobe Acrobat. Watch on any folder of your choice and sign newly-uploaded PDF documents in that folder on the fly.
Fast File Encryptor is designed for fast processing of extremely large files. It can encrypt or decrypt files, contents of folders and contains a lot of additional tools. Presents a flexible user interface with detailed messages about all operations.