The Linux Documentation Project has been around for 20+ years:
https://tldp.org/
Its history is here: https://tldp.org/history.html
It is not obvious to me if the two projects have different goals.
This appears to be a long abandoned documentation project (last update was 2007).
So happy to finally find good documentation on this! https://www.linfo.org/faster_dial-up.html
The Linux Documentation Project has been around for 20+ years:
https://tldp.org/
Its history is here: https://tldp.org/history.html
It is not obvious to me if the two projects have different goals.