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FreeTechBooks.com
Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes

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Computer Science Books
Introduction to Computer Science (21)
Algorithms and Data Structures (29)
Object Oriented Programming (13)
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Functional Programming (17)
Logic Programming (12)
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Computer Vision (19)
Compiler Design and Construction (19)
Computer Organization and Architecture (15)
Parallel Computing (7)
Concurrent Programming (3)
Operating Systems (16)
Data Communication and Networks (15)
Information Security (22)
Information Theory (6)
Digital Libraries (22)
Information Systems (8)
Software Engineering (49)
Game Development and Multimedia (17)
Mathematics Books
Mathematics (48)
Algebra (8)
Category Theory (5)
Linear Algebra (21)
Computer Aided Mathematics (10)
Discrete Mathematics (8)
Numerical Methods (7)
Graph Theory (5)
Operations Research (13)
Supporting Fields Books
Electric Circuits (6)
Signal Processing (16)
Web Design and Development (10)
Operating System Books
Unix (2)
GNU/Linux (49)
FreeBSD (4)
Programming/Scripting Books
Ada (6)
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Perl (11)
PHP (4)
Python (15)
Rebol (1)
Ruby (6)
Scheme (1)
Tcl/Tk (3)
Miscellaneous Books
Software Libre and Open Source Movement (17)
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Open Source Productivity Tools (4)
General
Open Document Licenses (5)
Other 'free computer books' sites (12)
 
Most Popular Books
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Data Structures and Algorithms with Object-Oriented Design Patterns in C++ (78236)
A Short Introduction to Operating Systems (77512)
Introduction to Object-Oriented Programming Using C++ (72781)
C++ Programming (67743)
C Programming Tutorial (K&R version 4) (62881)
Apress Free E-Book (59412)
Algorithms for Programmers (59370)
Computer Organization and Design Fundamentals (56008)
O'Reilly Open Books Project (53598)
How to be a Programmer: A Short, Comprehensive, and Personal Summary (52446)
How To Design Programs: An Introduction To Programming and Computing (50686)
How To Think Like A Computer Scientist: Learning with C++ (48112)
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Welcome to FreeTechBooks
 About this site 
What's Inside?

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.

What's the Catch?

None. All the books listed in this site are freely available, as they are hosted on websites that belong to the authors or the publishers.

Please note that (a) we do not host pirated books and (b) we do not link to sites that host pirated books and (c) we do not even link to sites that link to sites that host pirated books.

Please also note that each author and publisher has their own terms and conditions in the forms of free / open documentation licenses, public domain or other specific ones.

You are allowed to view, download and with a very few exceptions, print the books for your own private use at no charge. In fact, you are encouraged to tell others about the books.

How to Find a Book?

:) By Category: use the left navigation bar.

:) By Search: use the Search form.

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Welcome to FreeTechBooks
 Book Titles - Latest Addition and Updates 
Free Business and Tech Magazines and eBooks
Free Business and Tech Magazines and eBooks
Books Open Networks (Viewed: 507 times)
Tue Aug 31, 2010 7:32 am
This coursebook explores the different aspects of open protocols and open standards that are at the foundations of modern computer networks and the internet.

Books GNU/Linux Advanced Administration (Viewed: 516 times)
Posted under GNU/Linux
Tue Aug 31, 2010 7:26 am
Covers advanced GNU/Linux system administration. Students will learn how to install, configure and optimise a GNU/Linux operating system and the most widely used computer services.

Books Introduction to Free Software (Viewed: 461 times)
Tue Aug 31, 2010 7:13 am
This book answers questions about free software, the implications of using a free license, the organization of free software projects, main business models associated to them, and things that motivate developers and volunteers to become involved.

Posted under GNU/Linux
Thu Aug 19, 2010 3:39 am
An online book designed to provide everything a user needs to know to install, use and administer an Red Hat Enterprise Linux 5 system.

Books A Gentle Introduction to GIS (Viewed: 2921 times)
Posted under Computer Vision
Tue Aug 10, 2010 10:10 pm
A beginner's guide to Geographical Information System (GIS) that uses open-source Quantum GIS for its examples.

Books CentOS Essentials (Viewed: 4367 times)
Posted under GNU/Linux
Wed Jul 28, 2010 6:57 am
CentOS Essentials is an online book designed to provide everything a user needs to know to install, use and administer a CentOS 5 Linux system, a free open source OS with the power and stability of Red Hat Enterprise Linux.

Tue Jul 20, 2010 8:21 pm
This book provides a thorough and comprehensive treatment of fundamental data structures and the principles of algorithm analysis. Focuses on the principles required to select or design the data structure that will best solve the problem.

Tue Jul 20, 2010 6:48 am
This paper provides in-depth descriptions of both steganography, the art of hiding information within other information, and its counter-technique known as steganalysis.

Books Introduction to Prolog Programming (Viewed: 6008 times)
Posted under Logic Programming
Wed Jul 14, 2010 11:51 pm
These lecture notes introduce the declarative programming language Prolog. The emphasis is on learning how to program, rather than on the theory of logic programming. Nevertheless, a short chapter on the logic foundations of Prolog is included as well.

Books Fundamentals Of Cryptology (Viewed: 7530 times)
Wed Jun 23, 2010 7:01 pm
An introduction to modern cryptographic methods. Covers classical cryptosystems, stream ciphers, block ciphers, zero-knowledge proofs, secret sharing schemes and authentication codes.

Books Experiments with MATLAB (Viewed: 7138 times)
Sun Jun 20, 2010 3:24 am
This book supplements high school and early college courses in mathematics and technical computing, including calculus and matrix theory. The expected background includes algebra, trigonometry, and some familiarity with computers.

Posted under Computer Vision
Fri Jun 18, 2010 7:56 am
This book explores a method for symbolically interpreting images based upon a parallel implementation of a network-of-frames to describe intelligent processing.

Books Fundamentals of Computer Vision (Viewed: 7303 times)
Posted under Computer Vision
Tue Jun 15, 2010 8:41 pm
Covers the basic topics of computer vision, and introduces some fundamental approaches for computer vision research.

Books Document Image Analysis (Viewed: 6834 times)
Posted under Computer Vision
Fri Jun 11, 2010 2:51 pm
This book describes some of the technical methods and systems used for document processing of text and graphics images. The methods have grown out of the fields of digital signal processing, digital image processing, and pattern recognition.

Books Reasonable Basic Algebra (Viewed: 8248 times)
Posted under Mathematics
Tue May 25, 2010 6:45 am
Prepares two-year college students still in need of Basic Algebra. This book intends to get the students to change from trying to "remember" things, to be able to "reconstruct" them as needed.

 
Free Business and Tech Magazines and eBooks
 
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