PenProtect is described as 'is the most comprehensive and secure solution to password-protect the files within your USB Flash Drive, Flash Memory, Pen Drive or USB Stick' and is an app in the Security & Privacy category. There are more than 50 alternatives to PenProtect for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is TrueCrypt, which is both free and Open Source. Other great apps like PenProtect are Windows BitLocker (Paid), Encrypto (Free), Axcrypt (Freemium) and EncFS (Free, Open Source).
nCrypted Cloud is a Privacy, Security, and Collaboration solution that gives users full control over their personal and corporate Dropbox data. nCrypted Cloud adds client side encryption to your Dropbox existing data, and does not require you to migrate or move your files.
DigiVault is a portable, file-based encryption software for Windows. It helps you create and manage encrypted file containers or repositories for storing confidential files. Repository files are not bound to its storage device, making it portable.
Amazing Any Data Encryption is designed to password-protect your folders and files from being seen, read or modified by the priers. It provides enhanced security for files and folders on your Windows PC, blocking the unauthorized access of your private files or folders.
Free Folder Password Lock is data encryption software. It can be used to lock, hide and disguise files like Text, Word, Excel, PPT, documents, images, videos, audio files and archive files and folders.
Encryption Wizard (EW) is a simple, strong, Java file and folder encryptor for protection of sensitive information. EW encrypts all file types for data-in-transit protection and supplements data-at-rest protection.
2 Free Password Protect SD Memory Card Overview It is the best SD Card encryption software which allows you to lock memory card with password on Windows 10/8.1/8/7/Vista/2000/XP, so that others cannot access password-protected files.