uTox

UTox

uTox is an open-source, free software instant messaging and video calling app. It offers end-to-end encryption and allows users to make voice and video calls, send messages, transfer files, and share their screen.
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messaging video-calling encryption open-source

uTox: Free Instant Messaging and Video Calling with End-to-End Encryption

uTox is an open-source, free software instant messaging and video calling app offering end-to-end encryption for secure voice and video calls, message sending, file transfer, and screen sharing.

What is UTox?

uTox is an open-source, free instant messaging and video calling app for Windows, macOS, and Linux. It focuses on providing secure peer-to-peer encrypted communications between users.

Some key features of uTox include:

  • End-to-end encryption for messages, voice/video calls, and file transfers using NaCl cryptography
  • Ability to make HD video and voice calls in a peer-to-peer manner, without requiring a server
  • Desktop sharing and screenshot capabilities
  • Support for transferring files and messages
  • Customizable interface with support for plugins and theming
  • No ads, registration, or payment required since it is entirely free software

Overall, uTox aims to provide a secure and private communication platform that respects user privacy and freedom. Its peer-to-peer architecture decentralizes communication data and avoids centralized servers that could enable surveillance or data collection.

UTox Features

Features

  1. Encrypted messaging
  2. Video calling
  3. Voice calling
  4. File transfers
  5. Screen sharing

Pricing

  • Open Source

Pros

Free and open source

End-to-end encryption

Cross-platform availability

Cons

Smaller user base than mainstream apps

Fewer features than some competitors


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