OER2Go
The Web Unplugged

World Possible
Wikibooks

English 1.5 GB (CC BY-SA 3.0)
A collection of open-content textbooks on various learning topics.
https://en.wikibooks.org/wiki/Main_Page
Download Options

Zip File over the web
Zip File over FTP (host: dev.worldpossible.org user/pass: anonymous)
Rsync
Copy & paste the above command to any Unix-based system to begin download. Rsync can pick up where it left off and only downloads changes. It's the most efficient way to stay up-to-date with OER2Go modules.
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