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PLoS ONE: an inclusive, peer-reviewed, open-access resource from the PUBLIC LIBRARY OF SCIENCE. Reports of well-performed scientific studies from all disciplines freely available to the whole world.

Aggregates information on biology, agriculture, horticulture, forestry, geography, the environmental sciences, and the health sciences

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...

Use our WHOIS search and related tools to discover Domain Ownership and IP Address Management. Find Available Domains & Domains For Sale. Website Information includes Rank, Traffic, SEO, Thumbnails, and more.

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.

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Domain Whois tool that gives you all the available information on any domain name.

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.

Huge database of affiliate IDs and products associated with websites.

Whois service handling all global and country domain extensions.

SiteTrail is a service that provides you with the latest news about interesting new websites and services. The latest web technology news at your fingertips.