SPDX License List | Software Package Data Exchange (SPDX)
The list of SPDX licences. For me this is useful to find the ID so that I can add the most useful value to Python package metadata.
Copyright without years
A blog post about why curl switched away from showing years in copyright statements within the project.
Various Licenses and Comments about Them - GNU Project - Free Software Foundation
The Free Software Foundation's take on various software licences, both Free and non-Free.