Copyright, a form of intellectual property low, usually protects original works of authorship, including computer software and hardware. Certain copyright licenses (e.g. CC, BSD, GNU) enable free distribution of software. Learn more about types of licenses and conditions for free distribution of otherwise copyrighted work and software.
There are many scientific journals publishing research results on the topic of Human Computer Interaction (HCI) and closely related topics. These include web accessibility, universal design, user experience, usability, etc. The work published in these journals should be checked whenever searching for references on an ICT-related accessibility aspect.