Source of PDF files, e-text, of articles, papers, reports, books, etc..

  • MathThinking – Free Computer Books, Tutorials & Lecture Notes …
  • complore – A free online library of papers,lectures and articles on all the subjects. Can even tag and bookmark it.
  • Bruce Eckel’s Free ElectronicBooks – C++, C#, Java and Patterns.
  • Free E-Books Online – List of books available in electronic form for free online … you will also find links to video lectures there …
  • Web-based Programming – You will find over 40 (1100+ pages) programming language tutorials, lessons, and how-to’s. You can surf through our collection of free online tutorials or read postings in one of our forums. Just choose the language you are interested in learning, find a lesson and enjoy!
  • Free Computer Books – Free Computer Books
  • Tech Books For Free – At site it is claimed that the books are for free. There are Microsoft VB, ADO.NET and .NET, Java, Linux, Pyhton, Networking. Hope you enjoy.
  • O’Reilly’s OpenBook Project – O’Reilly has published a number of Open Books, books with various forms of
    “open” copyright over the years …
  • Apress Books – Free Programming e-books …
  • Computer-Books.us – Highest quality computer books for free download …
  • IBM Redbooks & Redpapers – A list of recently published IBM Redbooks Redpapers (technical docs addressing specific topic). Most of these redbooks/papers are available in Adobe PDF format and may be viewed online or downloaded for offline viewing and printing …
  • University of Virginia free E-book Library – Over 2,100 publicly-available ebooks from the University of Virginia Library’s Etext Center, including classic British and American fiction, major authors, and much more …
  • IDRC – International Development Research Center – IDRC Books is the publishing arm of Canada’s International Development Research Centre. As a specialist in development literature, IDRC Books contributes to the body of knowledge on these issues to further the causes of global understanding, equity, and well-being …
  • Infosyssec – The Security Portal for Information System Security Professionals – There are approximately 1500 complete or partial books listed in this listing. 80% of these links lead to the complete book and about 20% lead to partial versions or sample chapters …
  • TLDP – The Linux Documentation Project – The Linux Documentation Project (TLDP) is working on developing good, reliable documentation for the Linux operating system …
  • MCP Library Collection – Macmillan Computer Publishing …
  • Russia Online Computer Books -Russian Site with several good free titles … from Webdesign, Java or Unix to Networks and Databases …
  • Project Gutenburg – Project Gutenberg is the first and largest single collection of free electronic books, or ebooks.
  • Free Robotics Tech Materials – autokinematics aims to give you the best free technical materials in industrial automation and robotics.

Any suggestions, ideas? Feel free to comment on this article!

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