*[Image Processing in C: Analyzing and Enhancing Digital Images](http://homepages.inf.ed.ac.uk/rbf/BOOKS/PHILLIPS/) - Dwayne Phillips
*[Information Technology and the Networked Economy](http://florida.theorangegrove.org/og/file/49843a6a-9a9d-4bad-b4d4-d053f9cdf73e/1/InfoTechNetworkedEconomy.pdf)(PDF)
*[IRPF90 Fortran code generator](https://www.gitbook.com/book/scemama/irpf90/details) - Anthony Scemama
*[Learn Programming](https://progbook.org) - Antti Salonen
*[Learn to Program](https://pine.fm/LearnToProgram/)
*[Learning 30 Technologies in 30 Days: A Developer Challenge](https://blog.openshift.com/learning-30-technologies-in-30-days-a-developer-challenge/) - Shekhar Gulati
*[Learning Docker](https://www.packtpub.com/packt/free-ebook/learning-docker) - Pethuru Raj, Jeeva S. Chelladhurai & Vinod Singh, Packt. (email address *requested*, not required)