encrypt

GNU Privacy Guard (GnuPG or GPG) is a free-software replacement for Symantec's PGP cryptographic software suite.

A secure solution for file and email encryption.

Onion routing based messenger

Use your ID-card electronically, digitally sign documents and encrypt documents for safe transfer.

Secure collaboration and messaging

NordLocker is a secure and easy-to-use cloud for your files, ideas, and memories. Encrypted at all times, your data is always within reach.

Before sharing sensitive and/or confidential files from your NAS, use File Station to encrypt them into .qenc files.

File Encryption, Folder Encryption Software

Free PGP Encryption Software

A modern, cross-platform, open-source GUI for OpenPGP encryption.

DigiDoc4 is an application for digitally signing and encrypting documents; the software includes functionality to manage Estonian ID-card - change pin codes etc.

The Best All-In-One Free Online PDF Solution

Encrypt and decrypt whole files or their parts using AES, 3-DES, RC2, and DES symmetric algorithms. You can encrypt files with a single password or specify cryptographic keys (vectors) instead. You can change key bit length for better protection.

Matrix Client