Engineering

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Established in 1994 as the first online subscription services provided for B2B magazine publishers, TradePub.com has grown to be the most sophisticated repository of content for professionals in over 33 industry verticals, with extensive reach through 1000's of B2B partner sites worldwide.

FreeTechBooks

This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet.

Throughout this site, other terms are used to refer to a book, such as ebook, text, document, monogram or notes.