安全
FreedomBox
A companion app for your FreedomBox server
Karma Firewall
Karma Firewall blocks apps from accessing the Internet
Briar Mailbox
在 Briar 离线时接收加密消息
DroidFS
Store & access your files securely
Exodus
显示来自其他已安装应用的跟踪器和权限
Duress
Duress password trigger
Vault
Simple, secure and fast password manager compatible with KeePass
NewPass
使用 NewPass 安全地存储和管理您的数字领域的密码。
Pushie
Provides temporary, secure, password sharing
Ojo RTSP IP Camera viewer
Ojo is a basic IP Camera surveillance wall.
open2share
允许从每个应用（如微信）分享文件
Sekreto
WG Auto Connect
Auto connect to a WireGuard tunnel
OpenKeychain: Easy PGP
加密你的文件和通信。兼容 OpenPGP 标准。
TorServices (alpha)
最简单、最快、最小的 Tor 代理应用（早期测试版本）
AuthPass - 兼容KeePass的密码管理器
全平台同步您的密码，安全又方便！
ANONguard
ANONguard anonymises the Internet connection
ClassyShark3xodus - Scan apps for warnings
Checks apk(s) for known trackers (provided by Exodus) +other warnings and specs.
ESUP-NFC-TAG-DROID
ESUP-NFC-TAG-DROID works as a client of an ESUP-NFC-TAG server.
Android 5 (or +)
Shelter
Isolate and run multiple instances of apps using Work Profiles
OpenDNS Updater
OpenDNS Updater is an extremely easy to use android app to perform IP updates.
Stingle Photos
Stingle Photos is a secure, end-to-end encrypted gallery and sync app
WiFiScanner
Analyse the WiFi networks in range.
FiSSH
通过网络指纹扫描（TLS 套接字）进行 SSH 身份验证。
YubiClip XOR
Present static passwords over NFC securely from your NFC enabled Yubikey.
KryptEY
Keyboard for secure E2EE communication through signal protocol in any messenger
Authorizer
具有 USB 键盘模拟的密码管理器
Safe Notes - Encrypted Notepad
Encrypted, Private note manager
NC Passwords
A password manager app for Nextcloud's Passwords app
Permissions Manager
Warns user about dangerous permissions given to installed apps
