Altium is the industry standard. Eagle has a free version and is the standard for hobbyist and "makers". Thing from SparkFum or Adafruit comes with Eagle schema

Altium is the industry standard. Eagle has a free version and is the standard for hobbyist and "makers". Thing from SparkFum or Adafruit comes with Eagle schematics for instance. Up until recently KiCad was about as exciting as gEDA. Although now even Altium has a both a free and midlevel offering.