Show HN: Offline SOS signaling+recovery app for disasters/wars
3 days ago
- #open-source
- #disaster-response
- #emergency
- Igatha is an open-source SOS signaling and recovery app for war zones and disaster areas.
- Works offline using Bluetooth Low Energy (BLE) for emergency communication.
- Steps to send SOS: Install app, enable Bluetooth, tap 'Send SOS'.
- Disaster Detection feature monitors device sensors (accelerometer, gyroscope, barometer).
- Automatic SOS broadcast if no response to 'Are you okay?' notification within 2 minutes.
- BLE broadcasts pseudonymized identifiers and audible sirens for location.
- No internet or GPS required, preventing signal jamming.
- Responders can locate SOS signals via decreasing distance indicators and audible sirens.
- Minimizes battery usage with optimized BLE and sensor monitoring.
- Open-sourced for transparency, accessibility, and community collaboration.
- Encourages contributions: testing, documentation, translations, feature enhancements.
- Privacy-focused: no data collection, uses pseudonymized identifiers.