HEATKEYS

Webutation scan's websites against ongoing malware scripts and collects realtime user feedback and experience. It is free & open! Safe Surfing!

Academia.edu helps academics follow the latest research.

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

FREE SEO & PPC Keyword Research software tool, that unveil your competitors’ most profitable Ad copies & keywords. Learn from time-tested Ad campaigns.

SimilarWeb offers an improved method of navigating the internet as a complementary product that will assist users and improve their internet surfing experience by helping them find similar websites and related content.

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

Yahoo! Groups offers free mailing lists, photo & file sharing, group calendars and more. Discuss hot topics, share interests, join online communities.

Quantcast is a new breed of measurement service helping buyers and sellers quantify the characteristics of digital audiences against which they can activate addressable advertising solutions.

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

WOT is a community-based, free safe surfing tool for browsers that provides website ratings & reviews to help web users as they search, surf & shop online.