DuressUltimate

Robust implementation of the Duress Password trigger

Oblivion

Remote lock and wipe triggers for compromised or unattended devices.

SOS Ring

Make VIP calls and messages audible even in Silent/DND

FMD edge

Locate and control your device remotely

FMD

Locate and control your device remotely

DuressKeyboardLite

Keyboard with DuressPassword feature.

DuressKeyboard

Keyboard that reacts to triggers and performs security actions

FOSS Warn

Receive emergency alerts worldwide

Keep Alive Lite

Notify others if you haven't used your device in a given period of time

Keep Alive

Notify others if you haven't used your device in a given period of time

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PrepApp (F-Droid)

Preparedness toolkit, survival guide, emergency info, weather and more.

Paranoid's Pal - Privacy Lock

Unlock Privacy, Secure Your World

MotionLock

Keeps your device locked

Duress

Duress password trigger

Wasted

Lock a device and wipe its data on emergency

BaldPhone

Replace your phone's interface with a big, simple and friendly one

Private Lock

Lock your phone from its movement force

PluckLockEx

Lock your phone when snatched