OreSpawn by TheyCallMeDanger
With Girlfriends, Kraken, Mobzilla, Zoo Cages, Ray Guns, tons of new ores, new plants, and 5 new Dimensions, OreSpawn has a little bit for everyone. Well, a lot, for everyone.
This is an epansive Tnt's mod which adds 12 new tnt's to play around witht so have fun exploading and lets mayhem rain down in your worlds you may regret it in the end though
Zen Mod Loader by WireSegal
Don't sweat it, let ZML handle your models. Mainly for modjams and stuff.
Instant Blocks by Slymask3
This mod adds 11 new 'Instant Blocks' to the game. These blocks could be obtained by crafting, from the creative Instant Blocks tab, or from dungeon chests, village chests, etc. Each block generates a different structure upon right-clicking on the block with an Instant Wand.