When you purchase Ark Home, you receive a personal, non-exclusive, non-transferable license to:
Install and run the Ark Home image on one device at a time within your household.
Use it for personal, educational, and resilience-preparation purposes.
Make a single backup copy of the image for your own archival use.
What you may not do
Redistribute, resell, or share the downloaded image with others outside your household.
Use it for commercial services — for example, offering a paid "offline knowledge" service to others using this image.
Remove or obscure corpus attributions included in the image.
Corpus licensing
Ark Home bundles third-party content. Each included corpus is redistributed under its own open license. A full attribution file is included inside every Ark Home image at /ark/ATTRIBUTION.txt.
Wikipedia, Wikibooks, Wikiversity, Wikisource, Wiktionary — CC BY-SA 4.0
Encyclopaedia Britannica 11th ed. — Public domain (published 1911)
US Army field manuals — Public domain (US government works)
Where There Is No Doctor / Dentist — CC BY-NC-SA 4.0 (Hesperian Health Guides)
The Ark Home software layer (setup scripts, query interface, retrieval stack) is proprietary to Solidword Co. and is licensed for personal use only as described above.
Institutional use
Schools, clinics, NGOs, and other organizations deploying Ark on multiple devices require an institutional license. Email ark@solidwordco.com with "Institutional" in the subject line.