The Best Koofr Vault Alternatives in 2026

Peergos provides end-to-end encrypted storage, file sharing, and sync while also protecting file metadata and sharing relationships, per its site.

NordLocker provides encrypted cloud storage and a private file vault for securing, backing up, accessing, and sharing files across devices.

Internxt offers encrypted cloud storage using zero-knowledge technology, with additional products listed for VPN, antivirus, cleaner, and mail.

FileShot’s repository provides a browser based AES-256-GCM zero knowledge encryption library for client side file sharing.

Available on web, iOS, Android, and desktop, Proton Mail is an encrypted email service that offers free accounts.

Yopass encrypts secrets in the browser and creates one-time links that expire, providing a way to share sensitive information without accounts.

Share encrypted notes and files that self-destruct with s.cr, without creating an account.

Mailvelope adds PGP end-to-end encryption to Gmail and other webmail services, with options for private users and organizations.

Minisign signs files and verifies signatures through a simple command-line tool.

Search, upload, and manage OpenPGP keys through keys.openpgp.org, a key service powered by Sequoia-PGP.

This OpenPGP page lists email applications that support the standard directly or through additional software, across several desktop platforms.

Tuta offers encrypted email, calendar, and contacts, with apps that the site says protect personal data using end-to-end encryption.

With backup and sync, Stingle Photos offers a gallery and camera app; its page says photos and videos are encrypted before storage.

Search the MIT PGP public key server for keys by email address or name, then retrieve the matching public key.

Tuta is an email service whose repository says it encrypts emails, contacts, and calendar entries across users’ devices.

OneTimeSecret creates self-destructing links for sharing passwords and other sensitive information; the page also describes self-hosting.

GnuPG implements the OpenPGP standard and provides tools to encrypt and sign data and communications, with key management and directory access.

Burn My Note creates encrypted notes that self-destruct after reading, with optional password protection and configurable expiration times.

Encrypt email and files on Windows with Gpg4win, a software package based on GnuPG.

Portable Secret creates self-contained HTML files that decrypt messages or files locally in a browser using a password.

Hemmelig lets users share encrypted messages that automatically self-destruct after being read, according to its site description.

SafeNote encrypts notes or files and shares them through links that expire after they are read, with selectable message lifetimes.

BURN.link is presented as a service for sending secure messages that disappear after they are read.

The Hemmelig.app project shares encrypted secrets to help keep sensitive information out of chat logs, email, and similar channels.