Skinmaker
Make custom skins in game.
Terraform
Paint landscapes
Rigidbody Physics API
An api for adding rigid bodies.
Numeracy Blocks
These blocks display a count of connected nodes.
Pullable Carts
Transport inventory in pullable carts.
Craftguide
See how to craft things.
Ultralight Trike
Fly around.
Baked Clay Blocks
Make more blocks with baked clay.
i3
Upgrade your inventory
Pickpocketing
Pick the pockets of other players, obviously multiplayer only.
Baked clay addition
More colors of baked clay.
dfcaverns
Mapgen inspired by Dwarf Fortress
Tower Defense
Defend against waves of enemy tanks.
Magma Conduits
Adds volcanoes.
Natural Slopes
Adds slopes to the landscape.
Power Rangers
I know nothing about the Power Rangers franchisee.