This is the Final report of a second large-scale survey of 1588 developers of open source and free software, which was called the FLOSS-US survey for 2003. The first FLOSS survey targeted primarily European OS/FS developers, with 71% of respondents living in Europe or Russia, only 13% living in the United States, and roughly 17% living elsewhere in Europe or the world. The FLOSS-US survey sampled many more developers from countries outside of Europe, with 53% living in Western Europe, 27% living in North America, 8% in Russia and Eastern Europe, 5% in East Asia, 3% in Australia and New Zealand, 3% in Latin America, and 1% in the Middle East and Africa. <br />