Lowtech Graph lists low-tech options for every need of a home. Here you can compare them, find tutorials to build them, and link them together into a circular system. Why low-tech?

Adaptability / extensibility for phased upgrades

Leaving room for the house to change: a partition moved, a room added, a system upgraded, without touching what holds the building up. A house built in stages needs this; so does one whose household changes size. The options differ in whether they free the inside or prepare the outside.

Solutions