FineCrypt 10.1 - Most popular encryption freeware.

FineCrypt

FineCrypt: Professional encryption tool with the following features: automated encryption; command line encryption; highly secure encryption with a single mouse click; secure communication with other users by email; task manager; key manager; file manager; encryption of files, folders and whole directory trees; creation of encrypted archives; creation of self-decrypting executables which can be decrypted without FineCrypt; encryption with password and with key; session keys and passwords; secure delete feature; statistical analysis of ciphertext; 10 encryption algorithms; 4 encryption modes; full integration with Windows shell.