This is a collection of software project forks, collected primarily to exemplify the assertion of software freedoms.
The term 'fork' here is used in the older, pre-GitHub sense of a division of community development effort into two distinct projects, rather than the trivial sense of a clone or branch of a source code corpus used in the normal course of development and testing of those working with or within a project.
In the simplest form, it should make apparent any child-parent relationships amongst projects
Stretch goals include annotations indicating the date of the fork, the nature of the fork, any divergence in goals or features of the child projects, languages used, development environments, documention for the projects or for the motivations for entering the forking process, post-fork disposition of the child projects, influence on other projects, characterization of cooperation between or among child projects after the fork including any later merging of the projects.
Merges of distinctly-originated projects will also be considered. If so, the focus is on code bases rather than on companies.