Links out
Resource library
62 annotated links to agencies, standards bodies, nonprofits, tools and forums. Most of them go somewhere we neither own nor earn from, which is the point.
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- Established nonprofitToolFree
Kiwix (opens in a new tab)
Kiwix
Reads offline copies of Wikipedia, Stack Exchange, medical references and more. The single highest-value piece of software in this whole library, and it runs on a phone.
- Established nonprofitDownloadFree
Kiwix content library (opens in a new tab)
Kiwix
The actual downloads: full Wikipedia at around 100GB, a text-only version at a fraction of that, plus WikiMed, Wikivoyage and iFixit. Start with WikiMed if storage is tight.
- Established nonprofitDownloadFree
Project Gutenberg (opens in a new tab)
Project Gutenberg
Seventy thousand public domain books, downloadable in bulk. Worth having for morale as much as for reference, because a week without power is very long.
- Established nonprofitDownloadFree
Internet Archive (opens in a new tab)
Internet Archive
Manuals, out-of-print technical books and government publications that have quietly vanished from their original sites. Search here first when a citation link dies.
- Established nonprofitDataFree
OpenStreetMap (opens in a new tab)
OpenStreetMap Foundation
The map data behind most offline mapping apps. Free to download by region, and in rural areas it often has trails and tracks that commercial maps leave out.
- Practitioner or communityToolFree
Organic Maps (opens in a new tab)
Organic Maps
Offline maps and turn-by-turn routing with no account and no tracking. Download your state before you need it, which is the whole point and the step everyone forgets.
- Practitioner or communityToolFree tier
CalTopo (opens in a new tab)
CalTopo
Serious topographic mapping with printable outputs, slope shading and fire history layers. The free tier prints a good paper map, which is the version that works with a dead phone.
- Practitioner or communityToolPaidOurs
PrepperGPT (opens in a new tab)
PrepperGPT
An offline survival AI on a USB drive, with a local model and reference library that work with no network. One of our own projects, listed here because it belongs in this category, not because it is free.
Know something that belongs here? Send it over. We check every link on a schedule and remove anything that goes dark. Three of these entries are our own projects and are labelled as such.