Essentials

A simple chicken farm, automated with Essentials. Item Shifters with Item Chutes move eggs to the top of the farm, where eggs are sorted out by a Sorting Hopper and Item Filter to be hatched into more chickens. Feathers and chicken go to a chest

A fully-automatic cow farm, it runs on potatoes

A river decorated with (player placed) lilypads, Candle Lilypads, boats, and a few lit Braziers.

A very basic sorting system made of Slotted Chests and Sorting Hoppers

Circuitry in action: The lamp turns on if either both levers are off and it's not midnight or a lever is on and the light level is at least 9

The UI of a Slotted Chest