Google Docs and Drive have an offline mode that allows you to create and edit documents without an internet connection. Anything you do will sync with the online version when you're back online.

The next time you are connected to the Internet, sign in to Google Docs using the same computer and browser to have your offline changes synchronized with your online documents.

Google Docs for Android now lets users view files offline, but not edit them. I'm a bit disappointed in the HTML5 offline stuff so far. Gears for Gmail was the same client, just syncing, and HTML5 ...

How to Set Up and Use Google Docs Offline Whether commuting to work or flying in first class, you can still access Google Drive files offline.