HEATKEYS

Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing service for geocaches around the world.

SEOprofiler offers sophisticated tools for SEO and Internet marketing. Free extended backlink check available.

Academia.edu helps academics follow the latest research.

Classify is an OCLC Research prototype that helps you classify books, magazines, movies, and music using the Dewey Decimal Classification system or the Library of Congress Classification system.

For Slovakia Genealogy Research Strategies

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

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

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

EveryTrail is the best way to share trips, connect with other travelers and find great new things to do. Use our mobile apps to record your trips and find nearby things to do.

Centralized collection of family history & genealogy message boards hosted by Ancestry.com. Forums include specialized topics such as surnames, locales, and organizations