Technomagi by ollieread -It is a very alpha stage mod but is pretty good
Laser creeper Dino Riders from outer space-A mod that adds two mobs a laser creeper and a robotic dinosaur pet you cann feed redstone to grow and eveentually ride.It also has laser guns
Witchery-We all know about witchery but i would find it amusing to have a cyborg witch werepyre which sounds like something that comes out of a really weird fanfiction.
Clockwork phase-Adds clockwork based magic to minecraft
Jewelrycraft 2-Adds a new type of magic that lets you craft jewelry in your game
Armor compressor and tool compressor-Despite being overpowered The concept is neat and hasnt been used in many modpacks
mowzies mobs-Adds mobs with really good textures to the game.Based off zelda and is relatively easy using
Terra arts-Adds terraria accessories to minecraft
Elemental caves-Adds a new type of cave gen system to minecraft
Et Futurum-Adds 1.8 to 1.7.10 pretty much
The Erebus-Adds a whole new dimension to minecraft.It is very well balanced but has been overlooked quite a lot
Adventure backpack-Adds new types of backpacks to minecraft.Lots of varieties and abilities in them and have utility features inside of them such as hoses which store things and abilities such as a creeper backpack which hisses when you crouch
Malsis doors-Doors have better animations and more doors
Weather 2-Natural disasters like tornadoes And falling leaves
zelda sword skills/Dynamic sword skills-Adds sword skills to minecraft.ZSS adds zelda features to the game