A very tiny program that finds info about a person by their email address. Theres also Ruby, PHP and Python ports.
node spyeye.js find email@address.comOr you can move it to your bin and make it executable.
mv spyeye.js /bin/spyeye && chmod +x /bin/spyeye
spyeye find email@address.comThe API rate limit is currently set to 50 requests per hour.
May not be used for evil.