Previously the site was running a Hybrid child theme, now re-designed and developed using Hybrid Core and Protoype as the starter theme, which I then customized.
Google Analytics for WordPress by Yoast
Google XML Sitemaps
Relevanssi (enhanced search plugin)
Styled Text Widget (my own to allow specifying a css class for the text widget container for individual styling)
Syntaxhighlighter Evolved (for displaying code)
W3 Total Cache
Implementation of the finished design took about 30 hours to complete.