Windows/Mac/Linux (Chrome & Firefox): CloudMagic, the previously Gmail-only add-on that significantly speeds up searching, has extended its powers to cover your Google Docs and Contacts. Find documents, spreadsheets and people without the wait for Google to return your results.
As noted before, CloudMagic doesn't obtain or retain your Google password. It doesn't support all the in-depth search modifiers that Google's web apps support, but for most look-ups, you're going to see faster results, as shown in the video above.
CloudMagic is a free add-on that works with Chrome and Firefox, on Windows, Mac and Linux (32-bit and 64-bit).