安全
Cryptographic ID
Attest the trustworthiness of a device using asymmetric cryptography
Passy - cross-platform password manager
Offline password manager with cross-platform synchronization
PINcredible - Secure PIN vault
Modern and secure Android app to help you remember any PIN
Mullvad VPN: privacy is a universal right
Protect your online privacy with a fast, trustworthy, and easy-to-use VPN.
Amarok
一键隐藏你的隐私文件与应用。
SshDaemon
Simpe ssh/sftp server without root.
Tinc App
Tinc 网状 VPN 守护程序的 Android 绑定和用户界面
OONI Probe
开放式网络干扰观测站 (OONI)
Standard Notes
适用于数字专家和专业人士的端到端加密笔记应用
WiFiScanner
Analyse the WiFi networks in range.
Insular
Isolate your Big Brother apps
EteSync - Secure Data Sync
Secure, private and end-to-end encrypted calendar, contacts and tasks sync
Calyx VPN
由 The Calyx Institute 提供的免费 VPN 服务
Hypatia
A real-time malware scanner
FiSSH
通过网络指纹扫描（TLS 套接字）进行 SSH 身份验证。
Windscribe
Free VPN that unblocks geo-restricted content and eliminates tracking.
Keyoxide
Verify decentralized cryptographic identities on the go
I2P
I2P 匿名网络
WireGuard
下一代安全 VPN 网络隧道
ANOTHERpass
Another way to manage passwords
Motion Eye
Stream and connect all of your Surveillance network cameras
Yivi
Your digital identity in one app.
IYPS
A password strength test app with crack times, warnings and suggestions.
AirGuard - AirTag protection
Protect yourself from Apple's Find My Tracking
Pazzword - Password Evaluator
The most intelligent password evaluator app
AdAway
一款面向安卓设备的自由和开源应用
YubiClip XOR
Present static passwords over NFC securely from your NFC enabled Yubikey.
Cryptomator
Put a lock on your cloud: Take the security of your data into your own hands
OUI Lookup and Database
Find a device's manufacturer by its MAC address and browse OUIs assignments
Photok
Encrypt your photos on your device and keep them safe from others.
