Top FileOpen Alternatives

LockPDF

LockPDF protects PDF documents by encrypting them with passwords, restricting access, editing, and printing, while allowing document revocation and tracking.

Proton Mail

Proton Mail is a secure email app offering end-to-end encryption, privacy-focused features, and integration with third-party clients.

Proton Drive

Proton Drive is a secure cloud storage app that allows users to safely store, manage, and share sensitive documents with strong privacy protections.

Vitrium

Vitrium provides DRM solutions to protect and manage sensitive digital content, ensuring secure access and tracking for videos, documents, and audio files.

MEGA

MEGA is a cloud storage service that offers 50 GB of free storage with end-to-end encryption, secure file sharing, and user-controlled file access across multiple devices.

Seclore

Seclore is an Enterprise Digital Rights Management app that protects sensitive data by controlling access and usage, both within and outside organizations.

Mailfence

Mailfence is a secure email service that offers encrypted communication and productivity tools like calendars, document storage, and chat for organizing personal and professional tasks.

Tuta

Tuta is a secure email service that offers end-to-end encryption for emails, calendars, and contacts, ensuring private and confidential communication.

Digify

Digify is a digital rights management app that secures confidential documents through access control, tracking, and customizable security features.

SecureSafe

SecureSafe is a secure cloud storage and password manager for businesses, designed to protect sensitive data with encryption and security protocols.

Internxt

Internxt is a secure cloud storage app that offers file management, encryption, and decentralized storage, ensuring user privacy across devices.

NordLocker

NordLocker Business is an encrypted cloud storage service for securely storing, sharing, and managing business data, accessible only by authorized users.

Wire

Wire is an encrypted communication app for messaging, voice, and video calls, supporting secure collaboration for personal and business use.

Element

Element is a secure platform for encrypted communication and collaboration, offering chat and video calls while allowing users control over their data.

StartMail

StartMail is a secure email service that offers end-to-end encryption, unlimited aliases, and anti-spam features to protect user privacy and data.

Virtru

Virtru provides end-to-end encryption for data in business applications, allowing organizations to protect sensitive information and manage access controls easily.

Hushmail

Hushmail is a secure email service with encryption, designed for privacy and HIPAA compliance, also offering secure web forms and digital signatures.

Zangi

Zangi is a secure messaging app that enables anonymous communication with end-to-end encryption, protecting user privacy without requiring personal details.

DRM-X

DRM-X is a digital rights management platform that protects various digital content types from unauthorized access and piracy.

Protect PDF

Protect PDF adds password protection to PDF documents, restricting access and editing to ensure sensitive content remains confidential.

Threema Work

Threema Work is a secure, GDPR-compliant messaging app for businesses, enabling text, voice, and video communication without needing a phone number.

Siilo

Siilo is a secure messaging app for healthcare professionals, enabling private communication and coordination of patient care with end-to-end encryption.

FileShot.io

Secure file sharing and storage with browser-side (zero-knowledge) encryption, short links/QRs, expirations and download limits, paid access, PDF tools, metadata scrubbing, and APIs.

Tresorit

Tresorit is a secure file collaboration platform offering end-to-end encryption, allowing users to manage, share, and sync files while ensuring data privacy.

Skiff

Skiff is an encrypted email and collaboration platform that offers secure communication, document management, and calendar integration for individuals and teams.

KeepSec

KeepSec is a security-focused app that provides secure storage for sensitive information and advanced protocols to protect user data.

iWrapper

iWrapper is a DRM solution that protects and manages PDF documents, restricting access and sharing to maintain document security.

DOCGuard

DOCGuard detects and analyzes malicious documents in various formats, integrating with email and file-sharing platforms to enhance cybersecurity.

EZDRM

EZDRM is a digital rights management app that protects and secures video content from unauthorized access, ensuring only authorized users can view it.

Boolebox

Boolebox is a secure platform for uploading, sharing, and collaborating on sensitive data, providing encryption and access controls for organizations.