Life & fun · December 19, 2025
Deprem Hub
Your Offline Survival Beacon & Earthquake Protocol
What it does
Most earthquake apps only track tremors. Deprem Hub is designed to keep you alive when the grid goes down. It features a Bluetooth Rescue Radar that turns your phone into a beacon detectable under rubble without internet. Includes an Offline Survival Whistle, a Personal Seismograph, and an "I'm Safe" SMS Protocol for when data networks fail. Your phone is your lifeline; make it visible to rescuers.
Does a similar job
all alternatives →- OSOffline SOS signaling+recovery app for disasters/wars2025 · github.com · ▲163
A couple of months ago, I built this app to help identify people stuck under rubble. First responders have awesome tools. But in tough situations, even common folks need to help. After what happened in Myanmar, we need something like this that works properly. It has only been tested in controlled environments. It can also be improved; I know BLE is not _that_ effective under rubble. If you have any feedback or can contribute, don't hold back.
- RLrallyup – Lightweight Wake-on-LAN Scheduler2024 · github.com · ▲141
Hi HN, I’ve wanted a simple solution to handle Wake-on-LAN sequences for my home and work labs to boot up servers in the right order. I was already dabbling in Rust and thought this would be an interesting project to dive deeper and see if it could work well for this kind of network tool. The result is rallyup. rallyup lets you set up server dependencies in a YAML file, so each service (e.g., firewalls, storage, VM hosts) comes online in the right order. It verifies each server’s status before moving to the next. Features: - Dependency-based WOL with VLAN support - Built-in health checks…
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Community, All the HN belong to you. This is an archive of hacker news that fits in your browser. When I made HN Made of Primes I realized I could probably do this offline sqlite/wasm thing with the whole GBs of archive. The whole dataset. So I tried it, and this is it. Have Hacker News on your device. Go to this repo (https://github.com/DOSAYGO-STUDIO/HackerBook): you can download it. Big Query -> ETL -> npx serve docs - that's it. 20 years of HN arguments and beauty, can be yours forever. So they'll never die. Ever. It's the unkillable static archive of HN and it's…
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