Best Autocrypt Alternatives & Competitors in 2025

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

Open Source

Use GPG Suite to encrypt, decrypt, sign and verify files or messages.

Elegant user management, tailor-made for B2B SaaS

Try for free freemium

Anonymous communication platform

Strong file encryption tool

S.S.E. File Encryptor is a cross-platform encrypter/decrypter of files and folders.

The messenger with the broadest audience in the world.

A program designed for protecting confidential information stored on your computer.

VSEncryptor is an easy to use file and text encryption program.

Protected Trust works to enable businesses to experience high productivity and security with Microsoft 365 and Surface.

RocketResponder provides Lead Generation with Email Marketing Automation, providing you with the tools to create visually appealing and eye-catching Email Marketing Campaigns and Lead captures in no time at all, without requiring any IT skills.

docNCRYPT is a cybersecurity platform which only focuses on its core services in protecting your email directly from the different email service provider and allows you to integrate your business email portal in the online service.

Kleopatra is a certificate manager and GUI for GnuPG.

Hide and encrypt files inside a jpeg image