Version 1.8.2 - Recommended
Website: http://flansmod.com/
Weapon packs for the A-Team's Revenge modpack.
Website: http://www.circlecraft.info/
Configs for A-Team's Revenge modpack.
Website: http://ag.teamdna.de/
Tweak your DNA to spectacular effect!
Adds brewed beverages and lots of food.
Website: http://mc.shinonome.ch/doku.php
Core library for Asie's mods.
Website: http://www.bibliocraftmod.com/
Adds lots of functional and decorative blocks.
Website: http://www.bibliocraftmod.com/
Adds Biomes O' Plenty wood types to Bibliocraft.
Website: http://www.bibliocraftmod.com/
Adds wood types provided by Natura to BiblioCraft recipes.
Enhanced biome generation.
The core library used by the rest of bspkrs' mods.
Website: http://www.minecraftforum.net/topic/1790919-1516forge-carpenters-blocks-v202-slopes-stairs-and-more/
Use almost any block as the texture for fences, doors, slopes, stairs, etc.
Additions of many new ways to "cut" blocks for appearance.
Core library for all Chicken Bones' mods.
Power production and storage, automated processing, energy/item/liquid transport. A cornerstone mod.
Website: http://coros.us/mods/coroutil
Utility mod for Weather.
Gotta catch that dragon... and ride him.
Adds an auto crafting table and a crafting table which crafts from your inventory.
Website: http://wiki.enderio.com/Main_Page
Core mod for EnderIO (also former ttCore).
Link chests and bags through the ether and across dimensions.
Website: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2178842-enhanced-portals-3
Fancy tunable portals.
Extends the Potions array to 4096
Website: http://flansmod.com/
Weapons and more
More food than you could ever eat.
A library providing the ability to cut up blocks into smaller pieces, and an API which mods can use to have two blocks in the same block space.
Go to the moon and mars in a rocket! Yeah, it's as good as it sounds.
Hamsters to play with. No eating them.
Website: http://ichun.us/
Get custom hats from killing mobs
API for IC2
Website: http://ichun.us/
iChun utility mod.
Website: http://immibis.com/mcmoddl/
Core library for the rest of Immibis' mods.
Clean up NEI and provide some API level stuff for author's mods.
Automatically replace items/blocks/tools into your hotbar when they get used up.
Bigger, better, more expensive chests. Giggity.
Adds fancy barrels for fancy storage of single entity types.
Website: http://immibis.com/mcmoddl/
Turn your player XP into usable liquid.
A mod loading API which is much lighter than FML. Compatible with FML.
Library for Fossils & Archeology Revival
Fix player skins for older MC versions since Mojang no longer supports API calls for non-migrated accounts.
Library used by mDiyo's mods.
Automated factories for plants, animals and everything in between.
Create, remove, modify recipes.
Website: http://www.minecraftforge.net/forum/
Minecraft Forge is a Minecraft API which allows almost maximum compatibility between other Forge mods.
Be evil and let them do your bidding!
Core library support for Waila & Opis
Advanced armor with a plethora of modules to make your live less frustrating.
Add more planets and solar systems to Galacticraft.
Website: http://ichun.us/
Morph into other entities.
Fancy furniture.
Adds many new trees and flowers to the vanilla world generation.
Website: http://bdew.net/neiaddons
Adds features to NEI.
Replacement with enhancements for NEI Plugins.
Website: http://www.openblocks.info/
Add radio stations.
Adds an interface on top of your inventory that lets you browse all blocks and items which Forge/MC knows about.
Ever run out of keyboard shortcuts? Not anymore.
Library used by MMMPS
Website: http://www.openblocks.info/
Many utility blocks and features.
Website: http://www.openblocks.info/
Core library used by OpenPeripheral.
Website: http://www.minecraftforum.net/topic/2104497-164server-admin-opis-112-alpha-now-with-entity-support/
Server profiling mod. Track down that lag.
Adds a ton of video settings and options with the hope of improving performance.
A Red Power replacement with extra goodies.
Website: http://qcraft.org/about/
Quantum block effects.
Random stuff from blocks.
Better sorting among storage blocks.
Hide dem rooms.
Sail the seven seas.
Make statues of yourself and others.
Website: http://ichun.us/
Make a backup of yourself
Website: http://www.teamcofh.com/
Pipes, tubes, etc.
Power production, material processing, transport and much, much more.
Website: http://www.teamcofh.com/
World spawning and library for TeamCoFH mods.
Website: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2261817-tinkers-mechworks
Movable bridges, gates, etc.
Website: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2218638-tinkers-construct
Adds an entire forging system with multi-block smelteries and a plethora of custom tools and weapons.
Website: http://ichun.us/
Take some food on your adventures.
Chop down trees with a single blow! Well, a lot of blows. Better have a good axe!
Website: http://atomicstryker.net/
Simple update checker for AtomicStryker's mods.
Website: http://www.minecraftforum.net/topic/1116564-164-162-mamiyaotarus-mods-voxelmap-chatbubbles-etc/
In-game minimap.
Adds a HUD style tooltip for information about "What Am I Looking At".
Adds detail to the Waila tooltip about which tool is required to harvest the target block.
Adds more information to the Waila tooltip.
Create waypoints around your map.
Website: http://coros.us/mods/weather2
Better weather and storms.
The magical arts of witchcraft.
Visual boundaries for WE regions.