安全性
VaultX - Secure Password Manager
Secure offline password and identity wallet manager
NymVPN – 匿名且不留紀錄的 VPN
全球最私密的去中心化 VPN，源於瑞士，強大保護。 WireGuard，混合網絡，去中心化代理，無需電子郵件。
PCAPdroid
不需 Root 的 Android 網路監控、防火牆與 PCAP 封包傾印工具
Rethink：重塑 DNS + 防火牆 + VPN
設置應用程式防火牆、使用 WireGuard VPN、監測網路、封鎖惡意軟體、變更 DNS。
CipherNotes
Notes. Encrypted. Local. Nothing more.
SMSecure
Privacy-focused SMS app with encrypted conversations
FMD edge
Locate and control your device remotely
FMD
Locate and control your device remotely
Olvid
為所有人提供的私密訊息
MESH
Censorship-resisting overlay network for digital forensics
AliasVault
Privacy-first Password Manager with Built-in Email Aliasing
ProtectedWorkProfile
Profile owner Android security app.
HiddenProtectedWorkProfile
Hidden Profile owner Android security app.
EphemeralWorkProfile
Profile owner Android privacy app.
Secret Space Encryptor (SSE)
File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager
Ente Locker
Store & share important documents privately, and pass them on in emergencies.
Nextcloud Passwords
用於檢視Nextcloud Passwords應用程式的安全App
Password Store
Manage your passwords & passkeys
DroidFS
Store & access your files securely
Cambium
NIP-55 signer that holds no keys: signing is proxied to a NIP-46 hardware bunker
Privamatic
Privacy score for your Android — 50+ checks, no cloud, no tracking.
Citrine
Nostr relay for Android
DeltaSync
Encrypted KeePass sync — requires your own self-hosted server.
Yubico Authenticator
Generate OATH codes with YubiKey NEO over NFC
LANShield
Protect your LAN by managing app access to your local network.
SshDaemon
Simple ssh/sftp server without root.
EXIF Remove - Strip, Randomize & View Metadata
Remove or scramble photo metadata before sharing, with configurable templates
Keyoxide
Verify decentralized cryptographic identities on the go
Veto
Open source, native VirusTotal client. Scan files, links and apps in style.
Aegis Authenticator
Free, secure and open source 2FA app to manage tokens for your online services
