Communication

A modern, open-source email client with a unified inbox

⬇11 K+

Anonymous messaging with encryption & direct connection

⬇0+

Unlock a secure, open-source calling experience with NovaDialer

⬇1 K+

Chat comfortably. Everywhere. REQUIRES A QUASSEL CORE

⬇0+

Encrypted audio logging app

⬇388+

Android companion app for Bangle.js built on top of the Gadgetbridge project.

⬇918+

A tiny Discord for two, on your own server: a permanent voice and video channel.

⬇0+

Real-time messaging client with text and file sharing.

⬇18+

Block unwanted spam calls automatically and protect your privacy

⬇1 K+

Chat with your friends with FluffyChat.

⬇40 K+

Secure messaging

⬇38 K+

Private, modern Android email client for JMAP — with full IMAP/SMTP support.

⬇0+

Privacy super app with messenger, crypto wallet, browser, communities & more

⬇3 K+

Read and send SMS from your computer via your phone.

⬇29+

Local-first AI role-playing chat client

⬇739+

Forwards SMS messages to SMTP (Email) server

⬇3 K+

Fully featured email client. Neat, intuitive user interface. Privacy friendly

⬇785 K+

Lightweight, privacy-focused WebView wrapper for Duck.ai

⬇2 K+

Secure, self-hosted workplace messaging

⬇36 K+

SimpleX Chat - e2e encrypted messenger without any user IDs - private by design!

★5.0 ⬇591 K+

Transmit short text messages over COFDMTV encoded audio signals

⬇3 K+

Signal is a messaging app focused on privacy

★3.0 ⬇112 K+

A Telegram fork with minimal extra features

⬇2 K+

De-Googled secure comms: private SMS, calls, contacts, spam shield, file scan.

⬇6 K+

Communicate with online services using SMS messaging

⬇1 K+

Privacy-focused URL redirects to alternative frontends.

⬇3 K+

A modern, privacy-respecting IRC client for Android

⬇276+

World’s largest encrypted email service - easy to use, free for all

⬇554 K+

Team Communication Tool

⬇8 K+

Decentralized peer-to-peer secure messaging LXMF client

★5.0 ⬇76 K+