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OnePunchMan

Mod based off of the One Punch Man anime.

OneUPsMetals

lots of ores

OneUpsMiningMod

This is an example mod

Oneshot control by SomeAddons

A mod which allows you to configure max % hp you and entities can loose from attacks, thus a certain amount of attacks is required to kill.

Onion Mod by PingschelleMC

The Onion Mod (1.0.1a) adds onions, golden onions, onion seeds and the onion crop to your game!

Onkor by Hermann, MCreator

Upgraded with recipes

Online Chat by Baseball45

A chat server and client that allows you to talk to friends regardless of whether or not you're in the same server as them.

Online Checker by Aycy

Check if a player is currently online.

OnlineCard Mod by Is_GK

OnlineCard Mod

OnlineCoin

Copyright 2014 - 2018 Volting

OnlineCoins

Copyright 2014 - Volting

OnlineCoinsToMoney

Copyright 2014 - 2017 Volting

OnlineLever Mod by Muka2533

Add a lever that can be operated on the Internet.

OnlineObject

This is an example mod

Only Microblocks by PplusS

This mod replaces the vanilla block drop with chisels and bits parts

OnlySilver by Zot

OnlySilver ports the silver ore and its derivatives from SimpleOres 1.5.2_1 to the later versions of Minecraft.

OnsenMOD

This MOD is beta

Onslaught by codetaylor

An onslaught of mobs!

OnyxBlocks by OnyxAgata, MCreator

Enter short description here

OnyxMod

This adds Onyx armor, tools rtc.

OofMod by Deftu

Plays a sound when something happens.

OogaBooga by jon, codetaylor

A variety of things Ooga Booga related.

Oops by darkevilmac

A solution for accidental placements.

Op Ore Mod by jacky, MCreator

Op Pickaxes Mod by Sonic, MCreator

OpBudder

This is an example mod

OpFuel

A FUEL MOD INFINITE

OpMe by andrenoel

A command to toggle operator status and creative game mode for players you preauthorize in a config file. I like to play as a normal player but be easily opped when needed. For security, nothing can add anyone to the list from in-game.

OpPickaxe Mod by tttymo16

A mod that ads a op pickaxe

OpWeapons

Good Luck...

Opalsplus

Adds Opals, Marble and Lots of blocks and Items to the Game.

Open Auth Mod by RK_01, Lenni0451

Authenticate with proxies during login or play state to allow online mode server switching.

Open Command Block by Zabqer

Command block with output

Open Glider by gr8pefish

Hang glider!

Open Grave

The simple gravestone mod.

Open Harvest by SBlectric

A basic open-source right-click-to-harvest-crop mod.

Open Modular Passive Defense

All a man needs are meat ingots, and big ass walls. Adds new walls and fences!

Open Modular Turrets

All a man needs are meat ingots, and big ass turrets. Adds a heap of new turrets and upgrades!

Open Scriptie by Pythonic_Rainbow

Adds realistic computer mechanics into Minecraft

Open Terrain Generator

Team OTG: PeeGee85 (code) MCPitman & LordSmellyPants (graphics, web, community) This mod is a fork of TerrainControl by Khorn, RutgerKok and Timethor. - Generate anything! -

OpenAutism by paburoshalom

A personal mod

OpenAutomation REBORN! by Sandra, AceK7

Automating the things!

OpenBackup by LotuxPunk

Backup mod for MinecraftForge.

OpenBlocks by boq, Mikee

All the things you never thought you will ever need...

opensource random enchanting

OpenBlocks Elevator Indicator by bartbes

Indicator for when the player is standing on an OpenBlock elevator

OpenCCSensors by Cloudy, Orwell1984, Mikeemoo, Nietsnie, Lyqyd, CoolisTheName007, thraaawn, foone

OpenCCSensors is an open source add-on mod for ComputerCraft which gives your computers the ability to retrieve information about the area around them

OpenComponents by Florian 'Sangar' Nücke, Johannes 'Lord Joda' Lohrer

This mod is an addon for OpenComputers that adds a bunch of drivers.

addon

OpenComputers by Sangar

This mod adds programmable, modular and persistent computers to the game

computers

OpenComputers Sensors by Davenonymous

Sensor Mod for OpenComputers

OpenComputers Xnet Driver by Davenonymous

Programmable logistics over Xnet Networks

OpenCrypto

A mod to extent crypto functionality for OpenComputers.

OpenDimentions

This is an example mod

OpenDisks

OpenComputers addon, allows for dynamically creating floppies in your filesystem.

OpenEEPROM by Grahmindol

add customized eeprom

OpenEnder by boq, Mikee

OpenEnder introduces small personal dimensions and encrypted dimensions into Minecraft

OpenEntity by ben-mkiv

Addon which allows to manipulate entities

OpenEye by boq, Mikee

OpenEye helps mod developers by tracking crashes and analytics to make the game more enjoyable for you!

util

OpenGX by ds84182

OpenLights

OpenComputers addon, allows for color changing lights.

OpenLightsController by MrMelon54

A controller to manage multiple OpenLights

OpenMods by Mikee, NeverCast, boq, Lyqyd

Boring stuff for all that silly Open* mods

library

OpenMods-IGW integration by TheSilkMiner

Integration between OpenMods and InGameWiki Mod

OpenNBT by AKCEJIb

Mod that add NbtCard for OpenComputers

OpenPeripheralAddons by Mikee, boq, theoriginalbit, foone

Random CC peripherals

opensource addon

OpenPeripheralCore by Mikee, boq, theoriginalbit, foone

Converts many blocks into ComputerCraft peripherals!

computers addon opensource

OpenPeripheralIntegration

Converts many blocks into ComputerCraft peripherals!

OpenPrivacy by Mikee

Little side-project of Mikees that'll tell you all communication your game is making with external services

OpenSabotage

Trying to implement minigames on Sponge

OpenScreens by its_meow

Adds new screens to OpenComputers

OpenSecurity

OpenSecurity an addon for OpenComputers

OpenSensors by MichiyoRavencroft

Sensors, for OpenComputers

OpenSolidState by AdorableCatgirl

A mod that adds some solid state devices.

OpenStuff by Grahmindol

This mod add stuff to OpenComputer