tagdrop

Decode data URIs in QR codesGPL-3.0-only

Device Connect

Yet another tool to connect Android phone with desktopMIT

EasySync

Synchronize your phone with your WebDAV server, the easy way.MIT

OpenKeychain: Easy PGP

Encrypt your Files and Communications. Compatible with the OpenPGP Standard.GPL-3.0-or-later

Briar Mailbox

Receive encrypted messages while Briar is offlineAGPL-3.0-or-later

Termux:API

Access Android functions from TermuxGPL-3.0-only

VoIP.ms SMS

Popular Android messaging app for VoIP.ms, a Canadian VoIP providerApache-2.0

Tuta Mail

Encrypted email & calendar service - easy to use, secure by design.GPL-3.0-or-later

NeatLauncher

A neat and convenient launcher without icons.BSD-2-Clause

Trycorder

Upgrade your mobile device to a full-fledged tricorderApache-2.0

Simple Dialer

Manage phone calls with this simple phone dialer app with phonebookGPL-3.0-only

Forkgram

Forkgram is a fork of the official Telegram for Android application.GPL-2.0-or-later

Senior Launcher

Launcher reduced to the essential, intended for elderly peopleGPL-3.0-only

KryptEY

Keyboard for secure E2EE communication through signal protocol in any messengerGPL-3.0-only

Zorin Connect

Connect your Zorin OS computer with your deviceGPL-2.0-only

monocles chat

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

ArcaneChat

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

aTalk

XMPP/Jabber client with encrypted instant messaging and video callsApache-2.0

Shopping List (Privacy Friendly)

(SECUSO) Create shopping lists and manage them privacy friendlyApache-2.0

Simlar - secure calls

Protect your privacy with encrypted phone calls.GPL-2.0-or-later