Here is the Useless Sword mod, this mod adds 76 new swords in 1.16, 60 new swords in 1.15, 59 swords in 1.14 and 51 swords in 1.12 !
The swords take again objects already existing in the game where which is obtained by a mobs (install JEI to see all the recipes)
I'm French and this mods has made with Mcreator (Sorry if I make mistakes in English 😅)
Here is the list of swords :
Useless Sword is compatible with Aquaculture, Create, Alex's Mobs, Druidcraft, Botania, Update Aquatic, Savage and Ravage, Endergetic Expansion, and Twilight Forest (Optional Dependancy).
You can put Useless Sword in your modpacks