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URLpulse has a database containing data for hundreds of thousands of US websites. Utilizing our specialized algorithms we make it easy for you to analyse & compare results for any website in the US domain space.

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?

Buy rare and hard to find music on vinyl records and used CDs from thousands of online record stores. Manage your music collection with a detailed discography on rock, electronic, hip hop, classical and other popular and obscure music genres.

Learn how the chemistry industry helps us live longer and get more out of life. The American Chemistry Council represents nearly one million men and women working in the chemistry industry.

Prezi is the zooming presentation editor

Your one stop site for 5 Second Movies, Bum Reviews, Nostalgia Critic, and Ask ThatGuy

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

The Poison Review is a critical update and evaluation of recent scientific literature, news stories, and cultural events related to the field of medical toxicology.

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar