Contact

Calling and messaging with built-in emergency tools0BSD

SOS Alerter

Privacy-focused emergency app with SMS location tracking and silent recording.GPL-3.0-or-later

PrepApp (F-Droid)

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

FOSS Warn

Receive emergency alerts worldwideGPL-3.0-only

SOS Flashlight: Advanced Morse Code Tool

Turn your phone into a Morse code device, to transmit emergency messages.GPL-3.0-only

Wasted

Lock a device and wipe its data on emergencyGPL-3.0-only

Offenbach App

The official citizen app of the city of Offenbach am MainEUPL-1.2

Dosezy

Track your medications, get timely reminders, and manage your health with ease.MIT

Survival Manual

Learn how to surviveGPL-3.0-only

TyphoonEye

Typhoon tracks, forecasts and alerts for the Northwest PacificApache-2.0

Ente Locker

Store & share important documents privately, and pass them on in emergencies.AGPL-3.0-only

SpamBlocker (Call & SMS)

Spam Call/SMS blockerMIT

DisasterRadio

GPL-3.0-only

Visual Routines

Create and follow calm visual routines one step at a timeGPL-3.0-or-later

CPR Beat

Offline CPR metronome: 100–120 bpm, 30:2 mode, rescuer-switch timerGPL-3.0-or-later

Shelf

Hide folders instantly behind a working decoy app. Root optional.GPL-3.0-or-later

I.C.E Out

Community safety reporting — anonymous ICE activity trackingMIT

Red Screen

Show a red screenMIT

Call Limiter

Limit call duration per contact and automatically hang up when time is upGPL-3.0-only

Priority Alerts

Informs you when receiving SMS matches with configured keywordsGPL-3.0-only