Psst

Psst

Psst is a lightweight, open-source messaging application focused on security and privacy. It uses end-to-end encryption to secure messages and has features like ephemeral messaging, screenshot prevention, and device verification.
Psst image
privacy encryption ephemeral-messaging open-source

Psst: Lightweight Open-Source Messaging

Secure messaging with end-to-end encryption, ephemeral messaging, screenshot prevention, and device verification for secure communication.

What is Psst?

Psst is an open-source, multi-platform instant messaging application with a strong focus on privacy and security. It was created as an alternative to mainstream chat apps like WhatsApp that have faced criticism over privacy issues.

Some key features of Psst include:

  • End-to-end encryption using the Signal protocol to secure chats and calls
  • Ephemeral messaging - messages can be set to disappear after being read
  • Screen security - the app prevents users from taking screenshots to ensure privacy
  • Open source code that is transparent and auditable
  • Device verification for enhanced security
  • Self-destructing profiles and messages
  • Minimal permissions required
  • Available across different platforms like Android, iOS, Windows, Linux and Mac

Overall, Psst is designed for people who want a fast, user-friendly and intuitive messaging app that respects their privacy. With its focus on encrypted communications and various security features aimed at protecting user data and interactions, it offers a more secure alternative to mainstream chat apps.

Psst Features

Features

  1. End-to-end encryption
  2. Ephemeral messaging
  3. Screenshot prevention
  4. Device verification

Pricing

  • Open Source

Pros

Lightweight and open-source

Focused on security and privacy

Encrypted messaging

Cons

Limited features compared to other messaging apps

Smaller user base


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