Research files: Everything someone might need to start, or continue the project that I started.
There is a project description and project guidelines (v 1.0) should anyone wish to join in and have this be a collaborative project.
The only person I know that still works on an OS family tree is Eric Levelez.
Other people (including myself) have hit a wall just because of the magnitude of the project.


Description of OS Project Proposal
Proposed Guidelines for constructing an OS family Tree
List of various Operating Systems and version histories
Fields for Proposed Database
Version Histories of Linux Distros
List of OS version histories