安全性
RiseupVPN
RiseupVPN， 匿名的 VPN 服務，Bitmask 技術支援。
Bitmask
給一般人的加密通訊
（也歡迎超級英雄）。
ProtectedWorkProfile
Profile owner Android security app.
HiddenProtectedWorkProfile
Hidden Profile owner Android security app.
EphemeralWorkProfile
Profile owner Android privacy app.
Webview Kiosk
Turn your Android device into a locked-down web page in fullscreen mode.
WiFi Password Manager
Simple app using Shizuku or root access to manage WiFi passwords
Quad9 Connect
Android application for Quad9 recursive DNS cybersecurity and privacy services
Fauxx - Privacy Through Noise
Poison data collection profiles by generating decoy signals.
Saracroche
Block unwanted spam calls automatically and protect your privacy
SshDaemon
Simple ssh/sftp server without root.
i2pd
Full-featured C++ implementation of I2P client
Mullvad VPN: privacy is a universal right
Protect your online privacy with a fast, trustworthy, and easy-to-use VPN.
Standard Notes
An end-to-end encrypted note-taking app for digitalists and professionals
Secret Space Encryptor (SSE)
File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager
Ente Auth - 2FA Authenticator
Free, Cross Platform, Private, Open Source Two Factor Authenticator App
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.
Xray
Xray GUI Client For Android
Ente Locker
Ente Locker is an end-to-end encrypted document storage app
Password Master
Password Master generates and manages passwords in a secure encrypted database
Open Passkey Authenticator
App for managing passkey integrating in the Android Credential Manager.
Knock on Ports
A powerful client to manage and run port knocking sequences
Ripple: respond when panicking
當處於緊急危險狀況下，啟動此應用以保護您的隱私
sub rosa by naiveHA
Program (over USB or NFC) the static password of your YubiKey
DuressKeyboardLite
Keyboard with DuressPassword feature.
Yubico Authenticator
Generate OATH codes with YubiKey NEO over NFC
Amber
Nostr event signer for Android
Password Store
Manage your passwords
AliasVault
Privacy-first Password Manager with Built-in Email Aliasing
Cryptographic ID
Attest the trustworthiness of a device using asymmetric cryptography
