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Oculus
OGDragon +
Oh tYou'llmes You'll Go
Open Computers
OpenBlocks
OpenBlocks Elevator
OpenComputers
OpenComputers (Core)
OpenComputers Xnet Driver
Ore Excavation
Oreberries Replanted
OreExcavation
Oritech
Packet Fixer
Packing Tape
PackMenu
Pam's HarvestCraft
Parabox
Paragliders
Party Parrots (Forge)
Patchouli
Phosphophyllite
Pickable Pets [Fabric / Forge / NeoForge]
Pickable Pets [Fabric / Forge]
Pickle Tweaks
Pig Pen Cipher
PigUtils
Pipe Goggles
Pipe Master 2000
Pipez