The Trove Wayback. The trove dates back to late 1996 and comprises at least fourteen petabytes, a figure we base on a 2012 declaration the archive hit 10 petabytes and a. Trove brings together content from libraries, museums, archives and other research organisations and gives you tools to explore and build.
Wayback machine (no direct linking per reddit rules) but you’ll have to fish around the snapshots since not all of them work for any given thing. A dragon’s hoard of all of the free tabletop rpg pdfs you need from dungeons and dragons and pathfinder to world of darkness and shadowrun.