Optimizely - A/B testing you'll actually use.
OptimizePress - WYSIWYG page editor based on Wordpress.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.
SquareSpace - Squarespace is the easiest way for anyone to create an exceptional website. Pages, galleries, blogs, e-commerce, domains, hosting, analytics, 24/7 support - all included.
Chartbeat - Chartbeat shows you real-time traffic to your website and allows you to set alerts for any downtime or spikes in traffic.
LeadFox - Web-based lead management & marketing automation solution