# LastSignal

Startup, Worldwide.

> A self-hosted, zero-knowledge dead man's switch
>
> — in its own words, from lastsignal.app

- Website: https://lastsignal.app/
- Listed since: 2026
- launched: 2026-01-28
- launch post: https://news.ycombinator.com/item?id=46796906
- hn score: 3
- domain created: 2026-01-24
- Last verified: 2026-01-28


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=46796906, read 2026-01-28

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startup.is · https://startup.is/registry/lastsignal · open data: /api/v1, /llms.txt