Keep in mind this is a very large update - don't pester mod developers about release dates.
Mod Name Author

Adequacy bilde2910

Adequacy checks if the Java version being used can run the game with the installed mods. If not, it warns the user with a dialog message with instructions to update the Java runtime.

Open Source Universal Forge Required

Admin Weapons elias54

Adds new weapons for those players who have the rank "Administrator" on the server.

Universal Forge Required

Advanced Inventory (Beta) CubeX2

Allows players to upgrade inventory with up to six areas that consist of 9 slots each.

Universal Forge Required

Alarmcraft GotoLink

Adds a red box to the game that sounds off an array of different alarm sound effects when it receives a redstone pulse/signal.

Open Source Universal Forge Required

Alchemy Craft (Alpha) Dr_Schnauzer

Adds mechanics to process materials into armor.

Universal Forge Required BeardedLib

AllTheItems Mod FyberOptic

Eliminates the vanilla behavior of combining items on the ground into item stacks.

Universal Forge Required

Amberoguia b1u3m0nk3, chilibomb

Adds a farmable crop which drops a food item also usable for tools, armor, or blocks. Also adds small mobs.

Universal Forge Required

Ambient Birds the_tubes

Adds small birds of different colors.

SSP Not Forge Compatible Base Edit

Animal Bikes Noppes

A multiplayer mod which allows you to ride animals.

Universal Forge Compatible

Animals Plus Click_Me

Adds animal mobs such as whales, snakes, crickets and sharks.

Universal Forge Required

ANSSRPG (Beta) Disconsented, TehNut

Provides players, modpack creators and server admins the ability to develop their own unique RPG system with player progression without any programming knowledge needed.

Open Source Universal Forge Required

Antique Atlas Hunternif

Adds an Antique Atlas, an antique-looking map which saves all visited locations for easy browsing. Maps are generated around the player, based on chunk-average biome.

Open Source Universal Forge Required

Armor Effect Mod GotoLink

Allows player to associate a set of potion effects with any assortment of armor in the game.

Open Source Universal Forge Required

ArmorStatusHUD bspkrs

Displays your currently equipped armor and held item along with the durability remaining without having to open your inventory!

Open Source Clientside Forge Required bspkrsCore

Aroma1997Core Aroma1997

Required dependency for all of Aroma1997's mods.

Universal Forge Required

Aroma1997s Dimensional World Aroma1997

Adds a complete new Dimension, specially for Mining, but you can do whatever you want to do in it.

Universal Forge Required Aroma1997Core

AromaBackup Aroma1997

Enables automatically scheduled backups of a world.

Universal Forge Required Aroma1997Core

Arrow Camera ShadowBlade50

Adds a key that, when held, sets your perspective to directly behind your fired arrows.

Open Source Clientside Forge Required

Attachable Grinder iChun

Lets you attach a grinder to mobs, which will grind out the stuff it's made of.

Universal Forge Required iChun Util

Autofish troyboy50

Automatically reels and recasts when you catch a fish or treasure. Just cast once and let the mod do the rest.

Clientside Forge Compatible LiteLoader

Auto Ore Dictionary Converter MattDahEpic

Automatically converts items to their configured ore dictionary counterparts.

Open Source Universal Forge Required MattDahEpic Core

AutoRun mysticdrew

Adds the possibility to set a hotkey to auto-sprint.

Clientside Forge Required

Auto Sapling Lemonszz

Plants sapling items that are not picked up intead of despawning.

Serverside Forge Required

AutoSwitch thebombzen

Automatically switches to the correct tool when mining a block and automatically uses the correct weapon when attacking a mob or a player. Also switches back to your previous item when you are done mining or attacking a mob, useful for building and going on mining trips.

Open Source Universal Forge Required ThebombzenAPI

AWH Haggis Mod UltimateDillon

Adds Haggis and Sheep Stomach as new food items. Haggis can be crafted from sheep stomach, mutton and wheat.

Universal Forge Required

AzhdevCore (Dependency) (Alpha) Azhdev

Required dependency for Azhdev's mods.

Universal Forge Required

Backpacks (Brad16840) (Beta) Brad16840

Adds nestable backpacks that can be opened from inside other backpacks.

Universal Forge Required

Backpacks (Eydamos) (Beta) Eydamos

Adds dyable backpacks to the game for storing extra items. Backpack size is configurable.

Open Source Universal Forge Required

Back Tools iChun

Shows some tools on the back of the player. These tools are based on the last equipped tool that the player had.

Clientside Forge Required iChun Util

Bacteria Mod TeNNoX

Adds bacteria colonies into the world. Players can let them eat the world or just kill them.

Open Source Universal Forge Required

Bad Mobs DarkHax

Disables spawning for specified mobs and retroactively removes existing ones from worlds.

Open Source Universal Forge Required

BaM's Grave MrIbby, DerBaM

Currently maintained by MrIbby. Instead of dropping your inventory on death, a grave will be dug in which lies a buried chest with your inventory and experience. The grave will be inscribed with your name and time of death. This helps to keep your things from getting lost or despawning.

Universal Forge Required

BattleTowers AtomicStryker

Adds towers that spawn throughout your world for you to ascend and gain treasure from, each floor containing mobs and loot with a boss at the very top.

Open Source Universal Forge Required

Batty's Coordinates Mod (Beta) BatHeart

Displays player coordinates and the direction the player is facing in a corner of the screen.

Clientside Forge Required

Batty's Coordinates PLUS! Mod (Beta) BatHeart

Displays player coordinates, the direction the player is facing, the current biome and chunk information in a corner of the screen.

Clientside Forge Required

Baubles (Dependency) Azanor

An API that adds 4 bauble slots to player inventories; consisting of an amulet slot, belt slot and 2 ring slots.

Open Source Universal Forge Required

Beacon Geforce132

Detects outdated or missing mods from the player's multiplayer servers. Supports downloading a selection of mods in-game.

Open Source Universal Forge Required

BeardedLib WiseClock

A library mod required for Dr_Schnauzer's mods.

Universal Forge Required

BedrockLayer kegare

Flattens uneven bedrock layers in an existing world, including the roof of the Nether.

Open Source Universal Forge Required

BetterBedrockGen Gigabit101

Makes the generation of bedrock completely flat without needing to generate a superflat world.

Universal Forge Required C4Lib

BetterBeginnings (Beta) einsteinsci

Extends the beginning portion of early game, increasing the difficulty, all while staying true to the original feel of vanilla.

Open Source Universal Forge Required

BetterChests Aroma1997

This is about a Chest, that you can upgrade to how you want it to be. You can make a Cobblestone Generator out of it, you can make the Chest suck in nearby Items, or you can use the chest as a big furnace. There are many more upgrades.

Universal Forge Required Aroma1997Core

Better Creative Inventory CrushedPixel

Adds all missing blocks and items to the creative inventory, including: Command Blocks, Barriers, the Dragon Egg etc. Additionally it adds a new creative tab containing Monster Spawners for every available entity.

Universal Forge Required

Better Foliage OctarineNoise

Visually enhances foliage like trees and grass with configurable settings.

Open Source Clientside Forge Required

BetterFps Guichaguri

Changes how the game calculates sine & cosine, giving a performance boost.

Open Source Clientside Forge Compatible

Better Horse Hud falling_dutchman

Changes heads up display when on a horse or mount in general.

Open Source Universal Forge Required

Better HUD NukeDuck

Adds in 28 new elements to the in-game HUD.

Universal Forge Required

BetterLeather (Alpha) tattyseal, Mark_R

Adds leather weapons and armor, and new mobs.

Open Source Universal Forge Compatible FML

Better PvP xaero96

Adds a whole bunch of useful features to the game which can be used both for PVP and for survival/hardcore. It adds a fully customizable GUI interface system which consists of various, also customizable, interfaces such as a minimap, armour status, potion status etc.

Universal Forge Required

Better Sprinting chylex

Allows you to bind keys to the vanilla movements such as sprinting, as well as keys to toggle sprint/sneak while also adding new functionality.

Clientside Forge Required Player API

Better Title Screen amadornes, Girafi

Provides customization options for the in-game title screen.

Open Source Clientside Forge Required

Better Villages Mod GotoLink

Increases the chances of generating a village, clustering villages together and improving wheat fields.

Open Source Universal Forge Required

Biome Borders Urushibara

Displays the boundaries between biomes.

Clientside Forge Compatible LiteLoader

Biomes O' Plenty (Unstable) TDWP_FTW, ted80, Amnet, Adubbz

A mod that is designed to give players a better Minecraft world to explore, and more of a reason to explore it in the first place. There are a lot of realistic biomes, as well as some fantasy biomes.

Open Source Universal Forge Required

BioWarfare (WIP) Looke81

Makes warfare in Minecraft more chemical and biological. Adds the ability to poison enemies with nasty pathogens and turn the tide of battle with effects such as causing their inventory to be a mess, Diarrhea or causing sudden death from toxins.

Universal Forge Required

Bison Paraphanalien

Adds passive bisons which wander in savannahs aimlessly.

Universal Forge Compatible FML

Bloodmoon Lumien

Adds a lunar event called a "Bloodmoon", during which more hostile mobs will spawn than usual.

Open Source Universal Forge Required

Bones And Stones b1u3m0nk3, chilibomb

Adds new mobs, weapons, tools and ores.

Universal Forge Required

Bookshelf API (Dependency) Dyonovan, pauljoda

Required library for TeamCoS and TeamBR mods.

Open Source Universal Forge Required

Bow Infinity Fix Parker8283

Allows use of Infinity bows without an arrow in the player inventory.

Open Source Universal Forge Compatible FML

BreedingViewer cruXcon

Displays a colored pillar on animals ready for breeding.

Universal Forge Required

bspkrsCore (Dependency) bspkrs

This mod is required by all other mods created/maintained by bspkrs.

Open Source Universal Forge Required

Builder's Helper sshipway