The creator of the fantastic The Lord of the Rings mod is Mevans and you can download the mod from here: https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1287390-the-lord-of-the-rings-mod-bringing-middle-earth-to
The creator of Luppi's Ladders is: Luppii and Aiquenelddersar The creator of Custom Npcs Mod is: Noppes and you can check out the mod here:https://minecraft.curseforge.com/projects/custom-npcs
The creator of the Botania mod is Vazkii and the mod can be downloaded from here: https://minecraft.curseforge.com/projects/botania
The creator of the Ars Magica 2 mod is Mithion and the mod can be downloaded from here: https://minecraft.curseforge.com/projects/ars-magica-2?gameCategorySlug=mc-mods&projectID=67313
The Archimedes Ships mod is by Balkondeur and you can download the mod from here: https://minecraft.curseforge.com/projects/archimedes-ships?gameCategorySlug=mc-mods&projectID=76474
Nomadic Tents can be downloaded from here: https://minecraft.curseforge.com/projects/nomadic-tents?gameCategorySlug=mc-mods&projectID=238794