cutestat - Website Stats and Valuation. CuteStat.
Stylizer - A productivity-focused real-time CSS editor for serious web developers. Mac OS X and Windows.
Rankchart - Rankchart is one of the unique websites that allows you to examine your websites or watch competitors and locate rich information about website technologies, site reputation, errors, SEO, and ad-word recommendations.
Topstyle - TopStyle contains powerful tools for building standards-compliant web sites.
Site Worth traffic - Site Worth traffic is a cost-effective site that is introduced to estimate the value, daily page views, daily visitors, and daily revenue of a website.
EnjoyCSS - CSS generator for rich graphical styles without coding