Mini bonemeal farm
Self-harvesting vertical farm
Self-harvesting vertical melon farm
edge detector
lava dispenser moat control
firework clock
eye-color beacon clock
auto loader
auto unloader
rail duper
Secure self-lighting/extinguishing nether portal
3x3 button-operated relay door
2x2 low-profile hidden Jeb door
2x2 vertical Jeb door
Modifications for stairway
Slimeblock elevator module
Smooth stone generator
Chicken Auto-Harvester
HermitCo woodpeckers (defunct)
Electric Sheep (defunct)