Moves:
https://forums.pokemmo.eu/index.php?/topic/89406-storyline-guide-hm-locations/&tab=comments#comment-1572997 for HMs
https://forums.pokemmo.eu/index.php?/topic/125060-tm-shop-locations-and-catalog/ and
https://forums.pokemmo.eu/index.php?/topic/56005-updated-all-tm-and-hm-locations-for-all-regions-shops-for-these-tms-are-in-kayninexls-guide/ for TM moves
https://forums.pokemmo.eu/index.php?/topic/123438-pokemmo-tutor-moves-listing-and-requirements/ for tutor moves
"Special" moves can be bought for BP in the Trainer Tower/Hoenn Battle Frontier/Battle Subway
Items:
https://forums.pokemmo.eu/index.php?/topic/111967-pokemmo-item-dex-2nd-edition/
Mons:
https://forums.pokemmo.eu/index.php?/topic/106910-pokedex-pokemmo-version/ (requires you to be logged in on the forums)
https://pastelink.net/KantoPokemonLocations
https://pastelink.net/HoennPokemonLocations
https://pastelink.net/SinnohPokemonLocations
https://pastelink.net/UnovaPokemonLocations
https://forums.pokemmo.eu/index.php?/topic/108705-2020-all-horde-locations-ev-and-shiny/
https://forums.pokemmo.eu/index.php?/topic/77490-simple-ev-training-leveling-guide-using-horde/
https://forums.pokemmo.eu/index.php?/topic/119113-swarms-in-pokemmo/
pastelink.net/16kr0