HEATKEYS

Play chess online, learn new chess strategies, tactics and rules, study chess games and openings - all FREE on Chess.com - the #1 online chess site!

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Get the latest Java Software and explore how Java technology provides a better digital experience.

Free, searchable chess game database and community.

FICS - Free Internet Chess Server is a server for chess players to play against each other over the Internet. FICS supports tournaments, lectures, live game relays, chess variants (Suicide, Bughouse, Crazyhouse, Atomic) and lots more.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

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

NIST site provides chemical and physical property data on over 40,000 compounds.

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.