encryption

Signal is an encrypted communications application.

Open-source and encrypted password manager

A free file archiver utility and rar extractor for Windows and Linux, work with 200+ archive types and variants, handle spanned archives and support multiple archive encryption standards.

VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.

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

Tutanota is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices.

A secure solution for file and email encryption.

AxCrypt File Encryption Software - Free Personal Privacy and Security for Windows 2000/XP/Vista or later with AES-128 File Encryption, Compression and transparent Decrypt and Open in the original application.

Allway Sync is a program to sync data between all kinds of devices.

Stunnel is a proxy designed to add TLS encryption functionality to existing clients and servers without any changes in the programs' code.

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.

A very small, very simple, yet very secure encryption tool.

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

Open source 2FA authenticator, with end-to-end encrypted backups.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

Encrypto lets you encrypt files before sending them to friends or coworkers. Drop a file into Encrypto, set a password, and then send it with added security.

File Encryption, Folder Encryption Software

End-to-end encryption for things that matter. Keybase is secure messaging and file-sharing.

Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

Free PGP Encryption Software

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

i2pd (I2P Daemon) is a full-featured C++ implementation of I2P client.

git-age is a smudge/clean filter to encrypt/decrypt files in a git repository transparently

Unofficial ProtonMail Desktop App

Offline secure file encryption for Windows

Vovsoft Password Generator is one of the programs you can rely on, a very simple utility that enables you to create passwords for your accounts with just a couple of clicks. It is an easy to use tool that can generate memorable passphrases.

The Best All-In-One Free Online PDF Solution

A media packaging and development framework for VOD and Live DASH and HLS applications, supporting Common Encryption for Widevine and other DRM Systems.

A Swiss army knife for working with X.509 certificates, JWTs, etc.

Secure Exchanges OASF client for Windows.

AES Crypt for Windows (30-day trial)

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

Rage age implementation

An unofficial desktop client for ProtonMail done with electron nativefier

a better dotenv–from the creator of dotenv

Full-featured SFTP server and MFT solution. Securely transfer files via SFTP, FTP/S, and WebDAV using local storage, S3, Azure Blob, or GCS.

A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

Command-line tools for Anchor.dev

A modern, multi-protocol file manager and FTP client with integrated AI, cloud sync, and military-grade encryption.

A free, light and easy to use PGP tool based on OpenPGP.js.

A zero-knowledge encrypted workspace for your documents, notes, and files.

Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

A filesystem in userspace (FUSE) with transparent encryption (when writing) and decryption (when reading).

Cross-platform LAN clipboard synchronization tool

Matrix Client

Password manager with encrypted local storage.