SEO Tools Bonanza from SEOValley & SEO Book

Search Engine Journal reports on SEO/SEM related tools from SEOValley and SEO Book. SEOValley has 22 different SEM related tools, including and SEO book has 23 tools, most with the source code available for reuse. Loren Baker's favorite tool of the 45 listed at those two sites is SEO Book's Keyword Suggestion Tool.