More Coral
Nathan.S

Adds coral in more colors.

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Obdy
Sires

Adds some pretty OP tools :)

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

golden lava
GigaByte

add golden lava

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

treasures
ademant

Treasure nodes with useful items

summer
ulla

SUMMER

Mud
Blocky Player

Adds stylish mud blocks and even blocks you can walk through. Setup traps, secret rooms and much more!

Silver
Jackknife

adds silver ore and tools

Too many ores
TeufloV

This adds 53 new ores. But most of them are useless.