安全
IYPS - Is Your Password Secure?
评估密码、预测破解时间，并获得更强密码的提示。
Spectre
Radio frequency scanner with recon and offensive capabilities
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.
RKNHardering
使用 RKN 方法检测 Android 上的 VPN 和代理
SOS Alerter
Privacy-focused emergency app with SMS location tracking and silent recording.
Quad9 Connect
Android application for Quad9 recursive DNS cybersecurity and privacy services
i2pd
I2P 客户端的全功能C++ 实现
Truvark
A multi-vault file encryption app that respects your privacy.
Link Clear
Strip tracking parameters from links. Offline, private, no permissions.
RiseupVPN
RiseupVPN, anonymous VPN. Powered by Bitmask.
Bitmask
凡人的加密通信
（超级英雄也欢迎）。
Bluecheese
Offline text encryption-fast, local, no trackers.
Motion-UI
A web interface to manage your own NVR with motion.
Password Master
Password Master generates and manages passwords in a secure encrypted database
1Key Password Manager
Offline password manager. 2FA + notes. No account, no network, no telemetry.
Proton Authenticator
Private, secure, offline 2FA across devices by Proton team
InviZible Pro: 增强您的安全，保护您的隐私
用于在线隐私和安全的一站式应用
Derandom
Pseudo random number predictor
Ruam Mij
Suspicious app scanner with privacy respects
App Lock
Secure your sensitive apps with powerful biometric protection using AppLock!
Mauth
A Beautiful Two-factor Authentication app.
SeekPrivacy
Activist-Grade Defense Against System-Level Data Surveillance
Stingle Photos
Stingle Photos is a secure, end-to-end encrypted gallery and sync app
e-Passport Reader
使用 NFC 芯片与电子护照通信
ANOTHERpass
Another way to manage passwords
(password manager and 2FA authenticator)
IVPN - Secure VPN for Privacy
Privacy focused VPN service with WireGuard
Password Monitor
扫描潜在漏洞，确保密码安全。
Droid_SCEP
Get certificates from a SCEP server and monitor the expiration
Inter Profile Sharing
在 Android 用户档案之间轻松分享媒体和文本
Secure QR Share
Share passwords and links securely via encrypted QR codes.
