Google Tools You Didn't Know Existed

Webmaster Tools

Google's Webmaster Tools allows webmasters to monitor a site's health and traffic. Additional tools include a Structure Data Markup Helper and Google Places for Business.

Google Fonts

Google Fonts offers open source web fonts for all to use privately or commercially. As of now, there are 629 font families available. Filter fonts by thickness, slant, width and script.

Google Developers

Google Developers houses a plethora of resources that developers can use, tools such as internationalizing different websites and live presentations of tutorials. Developers can also join groups in a local area for meetups and collaboration.

Google Sky

A part of Google Earth, Google Sky allows you to explore space and star systems. In collaboration with NASA, using images from the Hubble Telescope, Google Sky is one of three subsidiaries of Google Earth, the others being Google Mars and Google Moon.

Schemer

Schemer is like a combination to-do list and social event planning app. Connect via your Google+ account, enter your preferences, and Schemer will offer some things to do around your area. A great tool for travelers who want to make the most out of a visit, as well as for locals who want to find something to do on an otherwise boring day. You can also collaborate with the friends in your Google+ Circles and see who wants to do the same things as you.