GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
- - GnuPG is the most popular Mac & Linux alternative to Autocrypt.
- - GnuPG is the most popular Open Source & free alternative to Autocrypt.
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.
- - GPG4Win is the most popular Windows alternative to Autocrypt.
AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for encrypting files using the Advanced Encryption Standard (AES).
- - AES Crypt is the most popular Android, iPhone, iPad & Android Tablet alternative to Autocrypt.
AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send and work with files.
Encrypto lets you encrypt files before sending them to friends or coworkers. Just drop a file into Encrypto, set a password, and then send it however you normally would — but this time with added security. It’s free for both Mac and Windows.
A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability. - FiloSottile/age
Android Privacy Guard (APG) is a free and open source application for Android devices, created by Thialfihar, that lets you encrypt and decrypt single files or emails. Its goal is to provide a similar .Discontinued
This project was discontinued in favor of OpenKeychain on September 10th, 2017.
Platform-independent password-based authenticated encryption of files & folders.
File Lock PEA Features
An open-source system tray utility for Windows, giving you quick access to your GnuPG keyring at any time with the ability to encrypt, decrypt and sign files on the fly.