Amazon’s good for more than just buying books. Used appropriately, the “look inside” feature can be a helpful research tool on its own.
Google Books can be a helpful research tool. You can find full texts of public-domain titles, as well as previews of those under copyright.
As of v. 7.8, Logos Bible Software supports reopening closed tabs both via panel menus and keyboard shortcuts (PC: Ctrl + Shift + T, Mac: Cmd + Shift + T). Conveniently at least for PC users—and I suspect also for Mac (?), the keyboard shortcut is the same one that will revive tabs in major…
Google Street view has a dedicated tour of Petra. HT: AWOL.
Google Books has volume 1, part 1 of the Cambridge Septuagint available as a free, full-text PDF. Also available is Hatch and Redpath’s concordance to the Septuagint and its accompanying supplement. Hatch and Redpath’s work does have some difficulties. But it can still prove to be a useful tool if cross-checked adequately.
As an interesting new addition to its Apps for Education platform, Google is working toward a full September release for “Classroom”: [youtube https://www.youtube.com/watch?v=JUiLc0If0CI] For more information or to apply to join the initial Classroom preview group, please see the Google Classroom site.