KillServer by CJ Miller (cjm721)
Watches the Server and will kill it if the main thread has died
Killer
AddsMobs
Killer Bunny by fabetune
About every 15 min a Killer Bunny spawns.
Killer Minecarts by Enosphorous
Making minecarts dangerous for about a week!
Killer Pacman mod by FiskFille
Killer table by Alexiy
A reimplementation of Peaceful table
KillerClown
HE will find you HAHAHA
KillerHUD by Mixac1
KillerOfDemon by lapin, MCreator
Killfeed
Adds a killfeed to Minecraft.
Kiln by archiebaldry
When furnaces just don't cut it.
KimberlyBlock
Give me an ohhhyah
Kind of Magic by MrRiegel
Kind of magic.
Kindred Legacy by SpikybumJolteon