Security

MotionLock
Keeps your device locked

eduVPN
eduVPN connects securely and encrypted to your institution or Internet

KryptEY
Keyboard for secure E2EE communication through signal protocol in any messenger

InviZible Pro: increase your security, protect you
Comprehensive application for on-line privacy and security

Authorizer
Password Manager with USB Keyboard emulation

Safe Notes - Encrypted Notepad
Encrypted, Private note manager

Ojo RTSP IP Camera viewer
Ojo is a basic IP Camera surveillance wall.

Stingle Photos
Stingle Photos is a secure, end-to-end encrypted gallery and sync app

Better Internet Tiles
Bring back Wi-Fi and mobile data tiles on Android 12 or higher

sNotz
An open-source and completely offline application to manage simple notes

KeePassDX

Varengold activeTAN
2FA for online banking

Status: Crypto Wallet, Messenger, Ethereum Browser
Cryptocurrency wallet, Private messenger, and Ethereum DApp Browser all in one

Secret Space Encryptor (SSE)
File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager

Passman
Allow you to manage the credentials stored in your Nextcloud Passman app.

NC Passwords
A password manager app for Nextcloud's Passwords app

Vigilante
Know when a third-party app uses your device camera/microphone

OpenContacts
A different database for contacts to keep them private only to you.

OpenKeychain: Easy PGP
Encrypt your Files and Communications. Compatible with the OpenPGP Standard.

LessPass
Generate unique passwords for your accounts based on a master password

e-Passport Reader
use the NFC chip to communicate with an electronic passport

Permissions Manager
Warns user about dangerous permissions given to installed apps

KeePassDroid
KeePass-compatible password safe

Shelter
Isolate and run multiple instances of apps using Work Profiles

Passky
simple, modern and open source password manager

Sentry
Enforce security policies

Port Authority
Port scanner

Wasted
Lock a device and wipe its data on emergency

Rivia
Rivia is the ultimate encryption tool

Vernet - Network Analyzer
Host and Port scanner. Ping IP or domain.