Delta Chat

Chat over e-mail. Elegantly Retro, Decentralized and Open. Privacy by Design.GPL-3.0-or-later

Launch Chat

Start a WhatsApp, Signal or Telegram chat without saving a number as a contactGPL-3.0-only

monocles chat

is a secure XMPP chat client for AndroidGPL-3.0-only

Element X - Secure Chat & Call

Sovereign. Seamless. On MatrixAGPL-3.0-only

SimpleX Chat

SimpleX Chat - e2e encrypted messenger without any user IDs - private by design!AGPL-3.0-or-later

KouChat

ChatGPL-3.0-only

Open in WhatsApp

Open WhatsApp Chat without saving number to ContactsGPL-3.0-only

Gilga

Local chat via BluetoothGPL-3.0-only

Critical Maps

Critical mass location sharing and chatApache-2.0

BlueChat

Chat locally over BluetoothMIT

Seers Lodge

P2P Chat ApplicationGPL-2.0-or-later

GPTMobile

Your all in one chat assistant - Chat with multiple LLMs at once!GPL-3.0-only

Jami

Audio & Video Calls / Chat Take Control of your Communication!GPL-3.0-or-later

FluffyChat

Chat with your friends with FluffyChat.AGPL-3.0-only

Quasseldroid

Chat comfortably. Everywhere. REQUIRES A QUASSEL COREGPL-3.0-only

Zulip

The Zulip mobile app, chat for distributed teamsApache-2.0

SchildiChat Next

Next-generation SchildiChat Matrix messenger based on Element X (Preview)AGPL-3.0-only

Databag

A federated chat client designed for privacy and selfhosting.Apache-2.0

ArcaneChat

⚡ Fast encrypted chats for the family 🎉GPL-3.0-only

DankChat

A simple app to chat on Twitch.tvMIT