Independent - not leaning in any certain direction; totally neutral
Green Party - more liberal, focused on peace, the environment, social justice, etc.
Democrats - opposite of Republicans, believes that the main government should have more control and less based on free market, more government spending
Republican - more conservative, believe in the free market to run things, less government spending
Libertarian - strong civil liberties, believe in less government interference, believe in the freedom of actions and thoughts.
Constitutional Party - a more conservative party, very patriotic, follows the Constitution word for word and is very religious