Requires the library mod Collective.
This mod is part of The Vanilla Experience.
Superflat World No Slimes is a drag-and-drop mod which removes those pesky slimes when you're trying to be creative in a superflat world.
You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge ecosystem.
Serilum.com contains an overview and more information on all mods available.
Comments are disabled as I'm unable to keep track of all the separate pages on each mod.
For issues, ideas, suggestions or anything else there is the Github repo. Thanks!