InertCreepers
Unlike most other plugins, this one does not disable creeper spawning nor prevent explosions from doing damage. Instead, creepers will just fatten up and... stand there?
Great if you want to prevent creeper griefing but still want gunpowder
This resource is part of my custom series. You can view the full list
here, prefixed by [Custom]. This series comprises of custom requests from server owners, where I help them out for free and in exchange, I keep all rights to the resource. I am releasing them here for any other server owners who can find a use for them.