I'm looking for old mods that don't work anymore. For June's stream I want to update some, drop ideas here.
Pipeworks adds pipes that can be used to transport fluids, and pneumatic tubes that can be used to move items. This mod works great with mesecons and technic, and really comes in useful when using them in tandem to create automated systems.

More mods by this modder

In this mod review we're looking at the Industrial Lights mod, which adds a new light source, in several colors.
The framed glass mod adds a handful of new nodes, colored glass mostly.
Replacement for Minetest creative inventory
Replacement for Minetest creative inventory