User blog:Ubersketch/Gems in GOOGOLOGYFOREVERYONE

https://googologyforeveryone.fandom.com/wiki/%5C(%5Chat_%5Cpsi_%5C)_Function - OCF that collapses hyperuncountable ordinals. Hyperuncountables probably don't exist but we can regard them as stages.

https://googologyforeveryone.fandom.com/wiki/Ordinal-System_Array - I have no idea what this is but it's cool.

https://googologyforeveryone.fandom.com/wiki/Weak_Fast_Growing_Hierarchy - Inbetween FGH and SGH

Be warned that most of GFE is absolutely useless, but I still think we should get more involved in the GFE community, or at least look around for interesting concepts.