QuestModSoulsCraft by harb2, MCreator
QuestUtils by McJty
Quest Utilities
Questionably Immersive by Flaxbeard
A general-purpose addon for Immersive Engineering.
QuestionsTime by Nocturne123
Ask questions and gain prize for the winner
Queue Box by KklyAq
For all your item queueing needs
QueueDodger by EternalLost
if you're a retard and you know it clap your hands
Quick Blacklist by Funwayguy
A quick and effective method of blacklisting any item in Minecraft
Quick Capes by Aycy
Your own personal cape.
Quick Consume by Kain
Adds the ability to quickly consume items
Quick Easy Menu by RaycusMX, Sanityko
Provides customizable ingame menus.
Quick Empty by Cyphrags
Allows you to quickly empty a block (e.g. a furnace) without opening the GUI by ctrl-left clicking it
Quick Get by TheBaconChomper
Quickly get items from your machines!
Quick Homes by its_meow
This mod adds a quick and easy way to set homes with /sethome and /home
Quick Hotbar by Kulttuuri
While in game hold ctrl and and use mousewheel to browse through your inventory rows.
Quick Join by Aycy
Quick Leaf Decay by lumien
Makes leaf decay faster