A few tools and websites I find invaluable.
Site Building:
http://www.devlisting.com/
http://www.xsitepro.com/
http://www.bravenet.com/webtools/
http://www.mycelly.com/
http://free-templates.org/
Keyword Research and SEO:
http://searchengineland.com/lands/100-organic.php
http://www.adwordanalyzer.com/
http://freekeywords.wordtracker.com/gtrends/
http://news.stepforth.com/blog/
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