Android Apps to End-to-End Encryption

Nextcloud is an open-source, self-hosted platform for file synchronization, sharing, and collaboration. It provides a private alternative to commercial cloud storage services, offering a comprehensive suite of tools including file management, calendar, contacts, and notes, all under your control.

Linphone is a free and open-source Voice over IP (VoIP) application and SIP client available on multiple platforms. It enables encrypted voice and video calls, instant messaging, and file sharing, offering a privacy-focused communication solution.

Seafile is a powerful and secure file-hosting and collaboration platform designed for teams and businesses. It offers robust file synchronization, sharing, and versioning capabilities, with a strong focus on privacy and control through both cloud and self-hosted options.

Yandex.Mail is a robust and feature-rich free email service offering generous storage, strong privacy features, and seamless integration with other Yandex services. It provides comprehensive support for various protocols and tools for efficient email management for both personal and professional use.

TeamDrive is a robust software solution specializing in secure file synchronization and sharing with an emphasis on end-to-end encryption. Designed for collaborative work, it ensures data privacy and compliance, making it ideal for businesses requiring high levels of data protection and user-controlled hosting options.

TeamSpeak is a leading voice communication software designed for crystal-clear audio, minimal latency, and high security. Perfect for online gaming, team collaboration, and large community interactions, it offers unparalleled control over your communication server and prioritizes user privacy.

Tutanota is a leading open-source email service offering robust end-to-end encryption and enhanced privacy. It provides a secure platform for communication and calendar management, accessible via web and dedicated applications.

ProtonMail is a leading secure email service utilizing end-to-end encryption and zero-access architecture to protect user privacy. Developed by scientists at CERN, it offers a robust and user-friendly platform for sending and receiving confidential communications.

Imo is a free instant messaging and video calling application designed for global reach, prioritizing reliability, particularly in regions with unstable network conditions. It offers features like voice and video calls, chat, group messaging, and various multimedia sharing options.

Acronis True Image, often rebranded as Acronis Cyber Protect Home Office, offers comprehensive data protection for individuals and families. It provides robust backup and recovery capabilities for operating systems, applications, and data, alongside advanced cybersecurity features like anti-malware and ransomware protection.

Jitsi is a free and open-source suite of secure, flexible communication tools. It offers multi-platform support for voice (VoIP), video conferencing, and instant messaging, emphasizing privacy and ease of use with no account required to start a meeting.

Signal is a secure, open-source messaging application that uses end-to-end encryption to protect user communications. It offers text messaging, voice and video calls, group chats, and file sharing, all with a strong focus on privacy and security. Available on multiple platforms, Signal is a leading choice for individuals prioritizing confidential conversations.

Resilio Sync is a powerful and flexible peer-to-peer file synchronization and sharing solution designed for individuals, teams, and enterprises. It offers fast and reliable data transfer without relying on a central cloud server, providing enhanced privacy and control over your data.

Trillian is a versatile, multi-protocol instant messaging client that unifies various communication platforms like IRC, XMPP, and more into a single, user-friendly interface. It's designed for both personal and team collaboration, offering features like encrypted chats, group collaboration tools, and extensive customization options.

Snapchat is a dynamic mobile application renowned for its ephemeral messaging and creative filters. It allows users to share photos and videos, enhanced with augmented reality lenses and effects, that disappear after viewing. Beyond simple communication, it offers features like Stories, Discover for news and entertainment, and Snap Map for location sharing.

ASUS WebStorage is a comprehensive cloud storage solution designed for seamless data backup, synchronization across multiple devices, and easy file sharing. It offers secure storage with various features to manage your digital assets effectively.

Tox is a free, open-source, and secure peer-to-peer instant messaging and video calling protocol designed for strong privacy and censorship resistance. It provides end-to-end encrypted communications without reliance on central servers.

Slack is a leading cloud-based platform designed for team communication and collaboration. It offers a central location for conversations, file sharing, and app integrations, enabling teams to work more efficiently and stay connected regardless of location.

MEGA is a secure, user-controlled cloud storage and file-sharing platform built with end-to-end encryption at its core.

Matrix is an open network for secure, decentralized real-time communication. It provides a flexible protocol for developers to build collaborative applications like instant messaging, VoIP, and video conferencing, enabling seamless communication across different service providers.

SpiderOak is a highly secure, zero-knowledge cloud backup, sync, and sharing platform designed to protect your data from ransomware, hardware failures, and other threats. It offers robust end-to-end encryption, ensuring only you can access your files.

Voxeet is a robust web conferencing platform that elevates virtual collaboration with its unique high-definition 3D audio technology, providing an immersive meeting experience. It offers a comprehensive suite of communication tools, including video conferencing, screen sharing, integrated file sharing, and various chat functionalities, designed to facilitate seamless interaction for teams of all sizes.

Threema is a secure and private messaging application that prioritizes user anonymity and data protection. It offers end-to-end encryption for all messages, calls, and files, requiring no phone number registration to enhance privacy.