AI Artificial Intelligence. Broad term that mainly refers to making a computer program behave in some way that appears intelligent, able to make decisions by itself.
Fork A fork is a project that has branched out from another project, e.g. LibreOffice, which is a fork of OpenOffice.
Freeware Software that can be downloaded and used for free, without paying a fee or for a subscription.
Libreware Software that can be modified by its users, in the sense that the user can change any aspect of the program, including removing any unwanted parts, changing any behaviors, and adding any new features they wish.