Sodium
Sodium is an end-to-end encrypted messaging app and software library focused on security, speed, and ease of use. It uses state-of-the-art cryptography like Curve25519, XSalsa20, and Poly1305 to encrypt all messages, voice calls, file transfers and even group chats.
endtoend-encryption
messaging
voice-calls
file-transfers
group-chats
security
privacy
Sodium: End-to-End Encrypted Messaging App
Sodium is an end-to-end encrypted messaging app and software library focused on security, speed, and ease of use. It uses state-of-the-art cryptography like Curve25519, XSalsa20, and Poly1305 to encrypt all messages, voice calls, file transfers and even group chats.
What is Sodium?
Sodium is an open source software library and end-to-end encrypted messaging app developed by Dominic Tarr. It focuses on providing strong encryption and privacy protections through state-of-the-art cryptographic techniques while still being fast and easy to use.
Some key features of Sodium include:
- End-to-end encryption of messages, voice calls, file transfers and group chats using Curve25519, XSalsa20 and Poly1305 so contents are kept private.
- Perfect forward secrecy to prevent decryption of past communications if keys are compromised in the future.
- Minimal trust in service providers through decentralized infrastructure.
- Speed and asynchronous cryptographic operations optimized for modern platforms.
- Usability and developer experience as top priorities alongside security.
Sodium is implemented in a variety of languages like Javascript, C, Python, etc. making integration easy. The library provides high level APIs that handle most complexity behind the scenes. Popular apps like Signal use Sodium as their underlying encryption provider.
With its focus on security, speed and usability, Sodium aims to bring private and uncensorable communication platforms to the masses. The software is free and open source software licensed under ISC.
Sodium Features
Features
- End-to-end encryption
- Ephemeral messaging
- Self-destructing messages
- Secure group chats
- Voice calls
- File transfers
- Cross-platform availability
Pricing
- Free
- Open Source
Pros
Strong encryption
User-friendly interface
Open source
Fast performance
Free and no ads
Cons
Smaller user base than mainstream apps
Voice/video calls can be unstable
No cloud sync between devices
The Best Sodium Alternatives
Top Social & Communications and Messaging and other similar apps like Sodium
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