Agriculture (Wikipedia)
Crops, soil, livestock, and food systems from Wikipedia (nopic). Planned free pack — size and checksum TBD when vaulted.
Library packs
Free open volumes or Ark exclusives. Download on a phone or PC, then install on Ark over local Wi‑Fi or USB.
Amateur Radio Q&A
Stack Exchange Amateur Radio — antennas, power, licensing basics, and field communications.
Appropedia / appropriate tech
Appropriate technology reference — water, energy, agriculture tools, and open designs suitable for field use.
Edible plants
Edible Plant Database offline ZIM — species, edible parts, field reference (~9 GB).
Engineering & DIY (Wikipedia)
Structures, tools, materials, and DIY engineering reference (nopic). Complements iFixit for non-device repairs.
FEMA / Ready.gov
Disaster preparedness, kits, and community response basics from Ready.gov and related FEMA open materials.
Field classics (Gutenberg)
Curated Project Gutenberg public-domain outdoors, pioneering, and practical manuals.
First aid & hygiene (open)
Curated CDC and WHO open first-aid, sanitation, and hygiene briefs — plain checklists that complement Medicine Wikipedia.
iFixit repair
Device and equipment repair guides for field fixes.
Medicine (Wikipedia)
Offline medical Wikipedia subset (nopic). Source-first answers for first aid and clinical reference.
Offline maps (OSM sample region)
OpenStreetMap offline map pack for a sample region (Maps.me / Organic Maps style .mwm). Ship region SKUs later.
Outdoors Q&A
Stack Exchange Outdoors — fieldcraft, hiking, and wilderness Q&A.
Pharmacy & drugs (Wikipedia)
Offline pharmacology / drug-reference Wikipedia subset (nopic) for cited lookup beside Medicine Wikipedia.
Public-domain field manuals
Curated older public-domain military and scout field manuals (land nav, sanitation, fieldcraft). Modern copyrighted FMs excluded.
Sustainable Living Q&A
Stack Exchange Sustainable Living — off-grid habits, water, waste, and homestead-adjacent practical Q&A.
USDA & Extension pubs
US government and cooperative-extension plant, soil, and food-production publications curated for offline use.
Wikivoyage
Travel and terrain reference (nopic).