Instant Messengers alternatives are worth considering when the incumbent gets expensive, restrictive, or invasive.

Delta Chat is a FOSS, decentralized and secure instant messaging app based on email protocols. Delta Chat feels like Whatsapp or Telegram but you can also use and regard it as an e-mail app. You may use classic e-mail servers and an existing e-mail account, without the need to si

Why consider the swap

If you currently rely on Whatsapp and want more control over data, lower long-term costs, or a privacy-friendly licensing model, Delta Chat covers most of the same ground.

What you trade off

Most privacy-friendly alternatives require more setup than their commercial counterparts and may lag on polish, mobile apps, or ecosystem integrations. Check the project’s documentation for current feature parity with Whatsapp before committing.

Where to start

• Project page: Delta Chat
• Comparison reference: Whatsapp

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