Observed arrival · 2026-09-27
Porchlight’s offline neighborhood emergency network
Porchlight presents a design for neighbours to relay emergency alerts without power, internet, or cell service, then connect them to city responders when the network returns.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Neighbourhood emergency planners and civic responders
- Worth noticing
- The described beacon sends an 18-byte signed call over Bluetooth; the page labels its 30-node results as a simulation.
Field notes
The described beacon can notice a fall and begin a call after a ten-second countdown, which the person can cancel. Alerts move from selected neighbours to the street and then the City; the page says replies are signed as well. Its proof section specifies 30 simulated nodes, so the presented results should not be read as evidence from a real outage.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
ƒJavaScriptBrowser-side code central
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