* [256-Color VGA Programming in C](http://www.brackeen.com/vga/) - David Brackeen
* [A Tutorial on Pointers and Arrays in C](http://home.netcom.com/~tjensen/ptr/pointers.htm) - Ted Jensen [(PDF, Zipped HTML)](http://pweb.netcom.com/~tjensen/ptr/cpoint.htm)
* [Bare-metal programming for ARM](https://github.com/umanovskis/baremetal-arm) - Daniels Umanovskis [(PDF)](http://umanovskis.se/files/arm-baremetal-ebook.pdf)
* [Beej's Guide to C Programming](http://beej.us/guide/bgc/) - B. Hall
* [Beej's Guide to Network Programming - Using Internet Sockets](http://beej.us/guide/bgnet/) - B. Hall
* [Build Your Own Lisp](http://www.buildyourownlisp.com)