Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Hopper
FaceDeer

Adds hoppers to transport items between chests/furnace etc.

Bridges and stairs, factory-style
narrnika

Adds a steel bridges, railings and stairs in Minetest.