安全性
Olvid
Private messaging for everyone
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）。
Quad9 Connect
Android application for Quad9 recursive DNS cybersecurity and privacy services
SshDaemon
Simple ssh/sftp server without root.
i2pd
Full-featured C++ implementation of I2P client
Secret Space Encryptor (SSE)
File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.
Password Master
Password Master generates and manages passwords in a secure encrypted database
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
Password Store
Manage your passwords
Cryptographic ID
Attest the trustworthiness of a device using asymmetric cryptography
AirGuard - AirTag protection
AirGuard detects trackers that are used for stalking and warns you.
Valv
An encrypted gallery vault for Android devices
Oblivion
Remote lock and wipe triggers for compromised or unattended devices.
URnetwork
Goodbye VPN!
KyuubiMask - Privacy First
Privacy-focused notification masking for screen sharing and presentations
Banana Split
Split secrets into QR-code shards using Shamir's Secret Sharing
IYPS - Is Your Password Secure?
Evaluate passwords, predict crack times, and get tips for stronger passwords.
TrackerControl
TrackerControl allows to monitor and control hidden data collection in apps.
Proton Authenticator
Private, secure, offline 2FA across devices by Proton team
mOTP
一次性密碼生成器
Sidestep
Intercept URLs, remove tracking, and redirect to privacy-friendly frontends.
BlueGate
Android client to control bluegate BLE gate controller
MetaPurge
Locally strip sensitive EXIF/metadata from your photos.
Passy - cross-platform password manager
Offline password manager with cross-platform synchronization
End of Updates Checker
Check until when your phone gets updates.
Simple Text Crypt
使用 AES256 加密純文本
IVPN - Secure VPN for Privacy
Privacy focused VPN service with WireGuard
