Apps to End-to-End Encryption

Twindocs is a secure cloud-based document management system designed for both individuals and organizations. It offers advanced encryption, robust synchronization capabilities, and a suite of features for organizing, sharing, and protecting your digital documents.

Email.biz offers a secure and privacy-focused email service designed for businesses and individuals prioritizing data protection and generic domain identities. It provides essential communication tools including encrypted email, calendar, and contact management, with integrations for enhanced productivity.

Conversations is a privacy-focused, open-source XMPP/Jabber client for Android. It offers robust end-to-end encryption using OMEMO and OTR, supports modern XMPP extensions, and provides a secure, decentralized messaging experience without relying on proprietary servers. It's an ideal choice for users prioritizing security and open standards.

OpenDrive provides a comprehensive online cloud storage solution with features for file synchronization, sharing, and backup. It supports WebDAV and offers unlimited bandwidth and storage options.

KakaoTalk is a popular mobile messaging service offering free text, voice, and video calls. Primarily used in South Korea, it provides a comprehensive communication platform with features like group chats, stickers, and a strong emphasis on user privacy and security.

Tango is a comprehensive communication platform that offers free messaging, high-quality video and voice calls, and features for discovering and connecting with new people. It integrates social elements like photo sharing and groups, alongside essential security and privacy features.

AeroFS is a robust enterprise-grade file synchronization and collaboration platform designed for organizations prioritizing data control and security.

Sync.com stands out as a security-focused cloud storage solution offering robust end-to-end encryption, ensuring your files are private and protected. It provides seamless file synchronization, backup, and sharing capabilities across devices, making it an excellent choice for individuals and businesses prioritizing data security and privacy.

Handcent Next SMS is a powerful and highly customizable SMS/MMS messenger application for Android. It offers a rich set of features, including extensive customization options, enhanced privacy and security features, scheduling, and robust support for various media types, making it a comprehensive alternative to the default messaging app.

IDrive offers comprehensive cloud backup, online storage, and file syncing solutions for consumers and businesses. It provides encrypted backup, zero-knowledge privacy, and supports various devices and data types.

memit is a comprehensive information management tool designed for collecting, curating, and organizing web links and digital content. It offers robust features for clipping, research, collaboration, and storage, all within a privacy-focused environment.

Kik Messenger is a popular instant messaging application designed for smartphones. It enables users to send text messages, photos, videos, and participate in group chats. Known for its user-friendly interface and focus on the social aspect of messaging, Kik offers a space for communication and connection.

pCloud offers a robust cloud storage solution for individuals and businesses, emphasizing security and ease of access. It provides a secure place to store, sync, and share files from any device.

Jungle Disk is a comprehensive online backup software service offering cloud backup, sync, and security solutions for businesses and individuals. It provides reliable data protection with features like end-to-end encryption and flexible storage options, including support for Amazon S3.

WizNote is a feature-rich, cross-platform cloud-based note-taking application designed for individuals and teams. It offers robust tools for capturing, organizing, and sharing information, with a strong focus on productivity and knowledge management.

Thinkery is a fast, lightweight, and privacy-focused web-based note-taking application designed for organizing notes, bookmarks, and to-dos. It leverages a flexible hierarchical tagging system for organization and offers features like offline access, markdown support, and end-to-end encryption.

OpenMailBox is a free, privacy-focused email hosting service emphasizing security and protecting user data. It provides a webmail interface along with support for standard email protocols.

Mozy is a robust online backup service designed for individuals and businesses, offering secure cloud storage for critical data with automatic backups and strong encryption to protect against data loss.

Amazon Drive, now superseded by Amazon Photos for photo/video and Amazon S3 for other file types, was a cloud storage service providing online backup, file synchronization, and sharing capabilities. It offered various storage plans, including unlimited photo storage for Amazon Prime members.

Zoho Mail is a secure and private email hosting service for both individuals and businesses, offering custom domains, ample storage, and integration with the Zoho suite of productivity tools. It prioritizes user privacy with strong encryption and a strict no-ads policy, providing a professional and reliable communication platform.

FaceTime is Apple's integrated video and audio calling service, providing a seamless communication experience across Apple devices. It allows users to connect with friends and family through high-quality video and audio calls, including group conversations.

ICQ is a veteran instant messaging platform offering a wide range of communication features, including text chat, voice and video calls, screen sharing, and group chats. It aims to provide a reliable and feature-rich messaging experience with a focus on privacy and security.

GMX Webmail provides a reliable and feature-rich free email service. With strong privacy features, integrated cloud storage, and tools like a calendar and mail collector, it offers a comprehensive suite for managing digital communication and files.

Storage Made Easy is a versatile hybrid Cloud File Server and Enterprise File Share and Sync (EFSS) solution. It allows organizations to unify access to various cloud storage services and on-premises storage, providing a single pane of glass for managing files across disparate locations while prioritizing security, control, and collaboration.

Wire is a secure, cross-platform messaging and collaboration client offering end-to-end encryption by default for all communication types including messaging, voice and video calls, and file sharing across desktop and mobile devices.

iCloud is Apple's comprehensive cloud service offering seamless integration across all Apple devices for storage, synchronization, and backup of photos, videos, documents, and app data. It provides a centralized hub for managing personal information, facilitating file sharing, and enhancing security with features like end-to-end encryption.

OwnDrive is a comprehensive online storage and collaboration platform designed for individuals, professionals, and businesses. It offers a secure space to store, back up, share, and synchronize files across various devices, alongside integrated tools for calendar, contacts, and media management.

Samepage is a comprehensive team collaboration platform that integrates project management, task management, real-time communication, and file sharing into a single, intuitive interface. Designed to streamline teamwork, it helps teams stay organized, communicate effectively, and manage projects efficiently, regardless of location.

Syncplicity is a robust file synchronization and sharing platform designed for businesses, offering secure cloud storage, collaborative tools, and granular control over data.

Koofr is a secure, EU-based cloud storage service offering a generous free tier and the unique ability to connect multiple existing cloud accounts from providers like Google Drive, Dropbox, and OneDrive. It serves as a centralized hub for all your digital files, enhancing accessibility and management across platforms.