gpg4usb is described as 'Easy to use, small portable editor with the possibility to encrypt and decrypt any text-message or -file you want. For encryption it acts as a GnuPG -frontend. Its intend is to be used from an usb-stick, running on Windows(TM) and' and is an app in the security & privacy category. There are six alternatives to gpg4usb for a variety of platforms, including Windows, Linux, Android, iPhone and iPad apps. The best gpg4usb alternative is GPG4Win, which is both free and Open Source. Other great apps like gpg4usb are GPGTools, Lock GnuPG, GNUPGK and Pignus Encryption.
Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.
Use GPG Suite to encrypt, decrypt, sign and verify files or messages. Manage your GPG Keychain with a few simple clicks and experience the full power of GPG easier than ever before.
A GnuPG Frontend GUI made in C#. It is compatible with PGP as well so it can be a very useful tool for encryption/decryption. It also incorporates a shell extension so it can be easy to right click and decrypt or decrypt.
With Pignus you can encrypt and decrypt your Messages and Documents and send them to your Contacts. Simply create your Profile in Pignus, share it with your Contacts, and then encrypt for them.
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A Windows app that locks your text messages so tightly only the right person can read them. Works fully offline — no internet, no account, no cloud. Stays private even if your files get stolen. Locks itself when you step away, wipes itself if someone tries to break in.
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