E2EE Messaging Application Listing

Here’s a list of end-to-end encryption (E2EE) messaging applications, categorized by their unique features and user base:

These apps are widely used and incorporate E2EE as a core feature.

Signal
- Uses the Signal Protocol for E2EE by default.
- Open-source and privacy-focused.
- Features: Secure messaging, voice/video calls, disappearing messages.
- Platforms: Android, iOS, Windows, macOS, Linux.
WhatsApp
- Owned by Meta, but uses the Signal Protocol for E2EE by default.
- E2EE applies to all chats and calls, but backups may not be encrypted unless configured.
- Platforms: Android, iOS, Windows, macOS.
iMessage
- Built into Apple devices, with E2EE enabled by default for messages between Apple users.
- Supports media sharing, location sharing, and reactions.
- Platforms: iOS, macOS.
Telegram (Secret Chats)
- Offers optional E2EE for “Secret Chats” (not enabled by default for all chats).
- Includes self-destructing messages.
- Platforms: Android, iOS, Windows, macOS, Linux.
Viber
- E2EE is enabled by default for all chats and calls.
- Includes disappearing messages and end-to-end encrypted group chats.
- Platforms: Android, iOS, Windows, macOS, Linux.

These apps are designed with privacy as their top priority.

Threema
- Swiss-made app with E2EE for chats, calls, and group chats.
- Does not require a phone number or email to register.
- Platforms: Android, iOS, Windows (via Web).
Wire
- E2EE for messages, calls, and file sharing.
- Open-source and offers business-focused features.
- Platforms: Android, iOS, Windows, macOS, Linux, Web.
Session
- Decentralized, open-source, and privacy-focused.
- Does not require phone numbers or emails to register.
- Platforms: Android, iOS, Windows, macOS, Linux.

These apps use decentralized networks and open-source protocols.

Element (Matrix Protocol)
- Based on the decentralized Matrix protocol.
- E2EE is optional but widely supported.
- Features: Group messaging, file sharing, and integrations with other platforms.
- Platforms: Android, iOS, Windows, macOS, Linux, Web.
Briar
- Designed for activists and journalists, operating over Bluetooth, Wi-Fi, or the Tor network.
- No central servers; completely decentralized.
- Platforms: Android.

These apps focus on secure communication for teams and organizations.

Microsoft Teams
- E2EE available for one-on-one calls (not yet for group calls or chats).
- Platforms: Android, iOS, Windows, macOS, Web.
Zoom
- E2EE can be enabled for meetings (not on by default).
- Platforms: Android, iOS, Windows, macOS, Linux.
Cisco Webex
- Offers E2EE for meetings and messaging.
- Platforms: Android, iOS, Windows, macOS, Web.

These cater to specific communities or unique use cases.

Dust
- Messages disappear after being read and cannot be recovered.
- E2EE ensures privacy, and data is not stored on servers.
- Platforms: Android, iOS.
Wickr Me / Wickr Pro
- Provides E2EE for individuals (Wickr Me) and teams (Wickr Pro).
- Features: Expiring messages, anonymous registration.
- Platforms: Android, iOS, Windows, macOS, Linux.
Keybase
- Combines secure messaging, file sharing, and team collaboration.
- E2EE for chats and file storage.
- Platforms: Android, iOS, Windows, macOS, Linux.

Some social media platforms also offer E2EE messaging features.

Facebook Messenger
- Offers E2EE for “Secret Conversations” (must be enabled per chat).
- Platforms: Android, iOS.
Instagram (Direct Messages)
- Testing E2EE for direct messages (not universally available yet).
- Platforms: Android, iOS.
Snapchat
- Implements E2EE for Snaps (photos and videos), but text chats are not fully encrypted.
- Platforms: Android, iOS.