EncryptOnClick provides you with an easy-to-use file/folder encryption/decryption utility that employs 256-bit AES encryption and simultaneously compresses the target file/folder.

VeraCrypt Portable, released via PortableApps, is a free disk encryption app based on TrueCrypt. Installer version is also available.

VeraCrypt is a free disk encryption software based on TrueCrypt and adds enhanced security, making it immune to new developments in brute-force attacks. VeraCrypt Portable is also available.

Fast File Encryptor includes several easy-to-use options for encrypting/decrypting of files, folders as well as some additional system command links.

encrypt0r is a simple Open Source option for quick passphrase encrypting and decrypting of files.

Cryptomator provides you with an easy-to-implement Open Source file encryption tool that can be used for the cloud as well as locally ensuring the security of your files.

Image Lock PEA (Password Encrypting Archive) is a portable encryption tool that allows you to protect your photos, drawings, and documents with a password.

File Lock PEA (Password Encrypting Archive) provides a portable encryption tool for encrypting data at the filesystem level.

Folder Lock offers the fastest way of encrypting/password-protecting files and folders.

File And Text Encryption is a portable app that gives you simplified but super-strong encryption.

Kryptor is a portable, cross-platform, Open Source tool for file encryption.

Spot-On Encryption Suite: for Chat, E-Mail, File Transfer & Websearch enables secure friend-to-friend encrypted connections with multiple advanced functions for communication.

AxCrypt provides easy-to-use Open Source file encryption that integrates seamlessly with Windows to encrypt, decrypt, compress, store, send and work with individual files.

CryptSync permits simultaneous synchronization of two folders; only one is encrypted, making it perfect for keeping data safe when using cloud storage services like Dropbox, Skydrive, and Google Drive.

My Cryptex is a powerful tool designed to help you securely encrypt your texts, providing an essential layer of protection for sensitive information.

Cypherix Cryptainer LE will securely encrypt your confidential data on any Windows PC, desktop, laptop, hard disk, or removable drive, such as a USB flash drive memory stick with a 256-448-bit encryption method.

SlunkCrypt is an experimental cross-platform cryptography library and command-line tool. A fully-featured GUI is provided for the Windows platform.

Portable Text Encryption provides a simple option to encrypt text.

SAV7 utilizes AES-256 encryption to enable you to safeguard your sensitive data effectively.

ScrambleOnClick allows encryption/decryption of sections of a text document for security and privacy.

The Data Krypter enables you to encrypt your files and entire directories, ensuring they are safe and secure.

SSuite - Agnot StrongBox will easily secure any file, document, or text message using multiple industrial and military strength ciphers to ensure your information stays private.

Speedcrypt offers advanced encryption algorithms to help you secure important files.

EncryptPad is a simple portable utility that allows the viewing and editing of symmetrically encrypted text.

Passware Encryption Analyzer scans your PC for encrypted files, documents, etc., and gives you insight into protection methods as well as the type of encryption.