For your android phone or tablet Https://aarddict.org/. Source: about 1 year ago

Wikipedia dictionaries and other info compressed for your device Https://aarddict.org/. Source: over 1 year ago

Use a tool like Internet-in-a-box and keep a "local" version of tons of very useful stuff like Wikipedia and Maps. Source: 6 months ago

Internet-in-a-box is a Free, Open source offline internet tool. Its a step up from having an offline wikipedia copy, it has a lot of Ebooks, and a offline version of Khan academedy youtube videos, and more etc. Source: 11 months ago

#1: iFixit is now available for offline use #2: Internet-in-a-Box - an Offline copy of the best of the Internet (Wikipedia, OpenStreetMap, Khan Academy, Stack Exchange, ETC) | 2 comments #3: Where There Is No Doctor - a village health care handbook | 2 comments. Source: 11 months ago

IMO the best use case is https://internet-in-a-box.org/. You download a bunch of stuff like Wikipedia, videos, books, etc, and any device with WiFi can access them. Much better than relying on something like a laptop or old phone with all of these resources on them. Get a couple of Raspberry Pi's and some SD cards and you can clone them all and have lots of backups. They are small and use little power so you can... Source: 12 months ago

This is awesome, but for those of us that don't feel like spending ~$1200... May I suggest internet in a box. Source: 12 months ago