安全性
Monica F-Droid
Open-source password manager: local encryption, autofill, TOTP, Passkey
Keyoxide
Verify decentralized cryptographic identities on the go
Cryptomator
Put a lock on your cloud: Take the security of your data into your own hands
Olvid
為所有人提供的私密訊息
De1984
Privacy-focused Firewall and Package Manager for Android devices
Ente Locker
Store & share important documents privately, and pass them on in emergencies.
Verdetto：QR 碼與條碼掃描器
QR 碼與條碼掃描器。在連結開啟前先看清它。
Privamatic
Your phone's privacy, scored 0–100. 50 checks, no internet permission.
Encly: Encrypted Offline Notes
Secure notepad with a PIN lock: notes & tasks. No account, no internet, no ads.
Secret Space Encryptor (SSE)
File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager
KabelWacht
A simple, free WireGuard VPN client: scan, import, and manage tunnels.
DNS Toggle
Easily toggle and automate Private DNS through the Quick Settings panel.
Werkzeug
Private tools: deterministic passwords, 2FA codes, calculator and clock.
DroidFS
Store & access your files securely
strongSwan VPN Client
An easy to use IKEv2/IPsec-based VPN client.
i2pd
Full-featured C++ implementation of I2P client
SMSecure
Privacy-focused SMS app with encrypted conversations
Vernet - Know your network
Know your network. Discover, scan & diagnose.
Sceau
讀取並驗證護照和身分證的晶片，完全離線
Privacy Flip
Manage your device privacy based on lock/unlock state
Droynis
Read-only security and privacy audit for your phone
Signet
Verify calls from family, colleagues, sources against deepfake impersonation.
Standard Notes
An end-to-end encrypted note-taking app for digitalists and professionals
SecureScreen
Protect selected apps from screenshots and screen recording
Osmium
Privacy-first offline TOTP/HOTP authenticator
Keycard Pal
Sign Ethereum and Bitcoin by QR code with a Keycard NFC smart card
Fauxx - Privacy Through Deception
Poison data collection profiles by generating decoy signals.
VaultX - Secure Password Manager
Secure offline password and identity wallet manager
Saracroche
Block unwanted spam calls and SMS, and protect your privacy
ICdetection
Offline cellular anomaly auditor and radio monitor for Android
