Delta Chat Alternatives & Competitors

Convenient End-to-End Encryption for E-Mail.

Key Autocrypt features:

User-Friendly Setup Seamless Integration Support for Opportunistic Encryption Asynchronous Communication

Fast, simple & secure messaging. Privacy that fits in your pocket.

Key Signal features:

End-to-End Encryption Open Source User Privacy Cross-Platform Availability

Open Source

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. .

Key MailReach.co features:

Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm

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Secure messaging, anywhere.

Key Briar features:

Privacy-focused Decentralized Peer-to-peer Communication Open-source

Open Source

🚀 SimpleX - the most private and secure chat - now with double ratchet E2E encryption!

Key SimpleX chat features:

End-to-End Encryption Decentralized Messaging Open Source No User Metadata

Open Source

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

Key Tox features:

Privacy-Focused Decentralized Open Source Cross-Platform

Open Source

A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.

Key Threema features:

Privacy End-to-End Encryption Swiss Jurisdiction Secure Backup

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Key Telegram features:

Privacy and Security Multi-Platform Support Cloud Storage Large Group Chats

Open Source

Matrix is an open standard for decentralized persistent communication over IP.

Key Matrix.org features:

Decentralization Interoperability End-to-End Encryption Open-Source

Open Source

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

Key Element.io features:

Open Source Privacy and Security Interoperability Rich Feature Set

Open Source free

Anonymous communication platform.

Key Chatlink.com features:

User-Friendly Interface Integration Capabilities Cross-Platform Support Robust Security Features

Hide and encrypt files inside a jpeg image.

Key File Camouflage features:

Data Security User-Friendly Interface No File Size Limit Portability

Telios is an end-to-end encrypted peer-to-peer email service.

Integrating Bridgefy allows mobile devices to communicate in a secure and efficient way across...

Key Bridgefy features:

Offline Functionality Mesh Networking Security and Privacy Ease of Use