Signal: Signal offers end-to-end encryption by default. It protects chats, calls, and shared files while collecting very little user information from users.
WhatsApp: WhatsApp secures messages and calls with end-to-end encryption. Its large user base and easy interface make communication simple and convenient.
Telegram: Telegram includes Secret Chats for stronger privacy. Users also get cloud syncing, large group support, and access across multiple devices.
Threema: Threema focuses heavily on privacy. It does not require a phone number and stores minimal personal data for users.
Wire: Wire provides encrypted messaging, voice calls, and file sharing. It is popular among professionals looking for secure communication tools.
Element: Element uses the Matrix protocol to support decentralized communication. It offers encrypted chats and gives users greater control over data.
Session: Session works through a decentralized network and does not require personal information. It is designed for users seeking stronger privacy.
Viber: Viber offers end-to-end encrypted chats and calls. The platform also includes group messaging, stickers, and business communication features.
Dust: Dust automatically deletes messages after a selected period. Its privacy-focused design helps users keep sensitive conversations protected.