Encryption: best apps and software
Encryption software protects files, drives, and messages with strong cryptography so only authorized people can read them.

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

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.

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.

Threema
Threema is a secure messaging app that offers end-to-end encryption for text, voice, and multimedia communications, allowing anonymous use without a phone number.

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

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

Standard Notes
Standard Notes is an open-source note-taking app that stores notes with end-to-end encryption, syncs across devices, supports offline access, and provides basic organization (tags, pin, trash).

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

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.

mailbox.org
Mailbox.org is a secure email service with privacy features, cloud storage, productivity tools, and custom domain support, hosted in Germany.

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

CamChat
CamChat is a secure video chat app for one-on-one conversations, featuring text messaging, encryption, and cross-device compatibility.

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.

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

Filen
Filen provides cloud storage with zero knowledge and end-to-end encryption for secure file management.

Encyro
Encyro is a secure file-sharing app that allows users to send files via email and receive messages without requiring clients to log in.

Cyph
Cyph is a secure messaging app that protects conversations from various threats without requiring registration or downloads.

Posteo
Posteo is a secure, ad-free email service that focuses on sustainability and privacy, offering encrypted emails, calendar, and contact synchronization.

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

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

BnoChat
BnoChat lets you connect with people worldwide without accounts or logins; it protects identity, uses end-to-end encryption, and auto-deletes messages.

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

SafeChat
SafeChat is a secure messaging app that offers end-to-end encryption and prioritizes user privacy, enabling safe communication for personal and professional use.

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

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

Vaulty
Vaulty securely transfers sensitive data like passwords or API keys with end-to-end encryption across various insecure channels.

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

PrivateBin
PrivateBin is a secure, open-source pastebin that encrypts data client-side, allowing users to share text privately with options for expiration and secure deletion.

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

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.

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

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.

Safe-mail.net
Safe-mail.net is a secure, web-based email service offering end-to-end encryption, email aliases, and tools to prevent tracking and phishing.

Silent Circle
Silent Circle is a secure communication app for encrypted calls, messaging, and file transfers, aimed at businesses and individuals prioritizing privacy.

Cryptee
Cryptee is a secure, open-source platform for storing and editing documents, notes, files, and photos, emphasizing privacy and data protection.

FileOpen
FileOpen is a rights management app that secures digital documents through encryption and access controls, ensuring only authorized users can view them.

EnGuard
EnGuard provides HIPAA compliant email services for healthcare, featuring secure communication tools like chat, videoconferencing, and telehealth services.

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

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

CTemplar
CTemplar is an encrypted email service that provides end-to-end encryption for secure email communication and protects users' data privacy.

Zivver
Zivver is a secure email and file transfer app that protects sensitive data with encryption and two-factor authentication, facilitating safe communication without account creation.

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

ShareSecret
ShareSecret allows users to securely share and manage sensitive information like passwords and tokens in an encrypted vault that auto-expires.

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

Tresorit Send
Tresorit Send allows secure file sharing with end-to-end encryption, enabling users to send files up to 5 GB safely through links that can be protected with passwords.

RMail
RMail app provides email encryption, e-signature automation, and document rights management to enhance privacy, compliance, and security in electronic communications.

SecureMyEmail
SecureMyEmail encrypts existing email accounts for secure communication, allowing users to send encrypted messages without changing providers.

Black Vault
Black Vault is a secure virtual data room that offers features for file sharing, access controls, encryption, and data management across multiple cloud platforms.

FortexaSecure
FortexaSecure is an app that securely stores sensitive information like cards and documents with robust encryption and multi-layer security.

luckycloud
German cloud storage and sync for private and business users; provides zero-knowledge encrypted file storage, sharing, collaboration and hosting in German data centers.

LuxSci
LuxSci offers secure communication solutions for healthcare organizations, ensuring HIPAA compliance and protecting patient data through encrypted email and messaging services.

Trustifi
Trustifi is an email security platform that protects sensitive data with encryption, threat detection, and compliance tools for organizations handling confidential information.

Zafer
Zafer provides secure, zero-knowledge cloud storage with AI-assisted file organization, tagging, search, voice access, and encrypted collaboration to protect and manage sensitive data.

SealPath
SealPath protects sensitive data through advanced encryption and access control, ensuring secure information handling and compliance with data privacy standards.

PreVeil
PreVeil offers encrypted email and file sharing for secure communications and compliance, integrating with existing platforms while protecting sensitive data.

Ubiq
Ubiq is an API platform that enables developers to easily integrate data encryption into applications without needing prior encryption knowledge.

Twake Drive
Twake Drive is an open-source encrypted data storage platform for professional file storage needs.

SendSafely
SendSafely allows users to exchange encrypted files securely across devices, integrating with existing systems for safe file sharing.

Cyqur
Cyqur offers secure encryption and distribution of sensitive data without storing it, enhancing security for passwords and cryptocurrency seed phrases.