+1 for non-profits with a mission. There are many good projects out there, and they are often can't afford a full-time and experienced devs, so the addition of

+1 for non-profits with a mission. There are many good projects out there, and they are often can't afford a full-time and experienced devs, so the addition of one competent person could make a significant impact. You'll definitely experience more higher-level-Maslow-pyramid buzz when working for a big mission than for big dollar.