* Added 1 C book and 3 authors.
C
Added 1 new book and 3 missing authors in the list.
* Added a bunch of authors.
C++
* C#
Added an author.
* Added 2 HTML books and 1 format.
* Ordering Change.
* Another One.
* [Programming in C](http://ee.hawaii.edu/~tep/EE160/Book/PDF/) - Bharat Kinariwala & Tep Dobry
* [Programming in C](https://www.freetechbooks.com/programming-in-c-t1337.html) - Kishori Mundargi
* [Structures and C](https://www.smashwords.com/books/view/644937) - Prakash Hegade
* [The C book](http://publications.gbdirect.co.uk/c_book/)
* [The C book](http://publications.gbdirect.co.uk/c_book/) - Mike Banahan, Declan Brady and Mark Doran (PDF, HTML)
* [The Craft of Text Editing or A Cookbook for an Emacs](http://www.finseth.com/craft/) - Craig A. Finseth
* [The Current C Programming Language Standard – ISO/IEC 9899:2018 (C17/C18), Draft](https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf) - Open Standards Org - www.open-std.org (PDF)
* [The GNU C Programming Tutorial](http://www.crasseux.com/books/ctut.pdf) (PDF)
* [The GNU C Programming Tutorial](http://www.crasseux.com/books/ctut.pdf) - Mark Burgess, Ron Hale-Evans (PDF)
* [The GNU C Reference Manual](https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html) - Trevis Rothwell, James Youngman (HTML) [(PDF)](https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.pdf)
* [The little book about OS development](http://littleosbook.github.io) - Erik Helin, Adam Renberg
* [The New C Standard - An Economic and Cultural commentary (2009)](http://www.knosof.co.uk/cbook/cbook.html) - Derek M. Jones (PDF)
* [TONC GBA Programming - Game Boy Advance Development](http://www.coranac.com/tonc/text/toc.htm)
* [Daily Design Patterns](https://web.archive.org/web/20170930132000/https://www.exceptionnotfound.net/downloads/dailydesignpattern.pdf) - Matthew P Jones (PDF)
* [Data Structures and Algorithms with Object-Oriented Design Patterns in C#](https://web.archive.org/web/20161220072449/http://www.brpreiss.com/books/opus6/) - Bruno Preiss
* [Dissecting a C# Application](https://damieng.com/blog/2007/11/08/dissecting-a-c-application-inside-sharpdevelop) - Christian Holm, Bernhard Spuida, Mike Kruger
* [Fundamentals of Computer Programming with C#](http://www.introprogramming.info/english-intro-csharp-book/read-online/) - Svetlin Nakov
* [Fundamentals of Computer Programming with C#](http://www.introprogramming.info/english-intro-csharp-book/read-online/) - Svetlin Nakov, Veselin Kolev & Co (HTML, PDF)
* [High level asynchronous programming with Reactive Extensions](https://github.com/petroemil/Rx.Book) - Emil Petro
* [Introduction to Rx](http://www.introtorx.com)
* [Learn C# in Y Minutes](https://learnxinyminutes.com/docs/csharp/)
* [Hands-On System Programming with C++](https://www.packtpub.com/free-ebooks/hands-system-programming-c) - Dr. Rian Quinn (Packt account *required*)
* [How to make an Operating System](https://www.gitbook.com/book/samypesse/how-to-create-an-operating-system/details) - Samy Pesse
* [How To Think Like a Computer Scientist: C++ Version](http://greenteapress.com/thinkcpp/index.html) - Allen B. Downey
* [Introduction to Design Patterns in C++ with Qt](http://ptgmedia.pearsoncmg.com/images/9780131879058/downloads/0131879057_Ezust_book.pdf) (PDF)
* [Introduction to Design Patterns in C++ with Qt 4](http://ptgmedia.pearsoncmg.com/images/9780131879058/downloads/0131879057_Ezust_book.pdf) - Alan Ezust, Paul Ezust (PDF)
* [Joint Strike Fighter, C++ Coding Standards, by Bjarne Stroustrup](http://www.stroustrup.com/JSF-AV-rules.pdf) (PDF)
* [Open Data Structures (In C++)](http://opendatastructures.org/ods-cpp.pdf) (PDF)
* [Open Data Structures (In C++)](http://opendatastructures.org/ods-cpp.pdf) - Pat Morin (PDF)
* [Software Design Using C++](http://cis.stvincent.edu/html/tutorials/swd/) - Br. David Carlson and Br. Isidore Minerd
* [Software optimization resources by Agner Fog](http://www.agner.org/optimize/)
* [The Boost C++ libraries](http://theboostcpplibraries.com)
* [The Rook's Guide to C++](http://rooksguide.org/2013/11/26/version-1-0-is-out/) (PDF)
* [The Boost C++ libraries](http://theboostcpplibraries.com) - Boris Schäling (HTML)
* [The Rook's Guide to C++](http://rooksguide.org/2013/11/26/version-1-0-is-out/) - Jeremy Hansen (PDF)
* [The Ultimate Question of Programming, Refactoring, and Everything](https://www.gitbook.com/book/alexastva/the-ultimate-question-of-programming-refactoring-/details)
* [Think C++: How To Think Like a Computer Scientist](https://greenteapress.com/wp/think-c/) - Allen B. Downey (PDF)
* [Thinking in C++, Second Edition, Vol. 1.](https://archive.org/details/TICPP2ndEdVolOne) - Bruce Eckel [(Vol. 2)](https://archive.org/details/TICPP2ndEdVolTwo)
* [How to Code in HTML5 and CSS3](https://web.archive.org/web/20180816174417/http://howtocodeinhtml.com/HowToCodeInHTML5AndCSS3.pdf) - Damian Wielgosik (PDF)