Potential applications post drivers:

construction - temporary fencing / formwork / mobile fences / scaffolding / soil stabilization

contractors - signaling / ground anchors

festivals, events & expos - signaling / scaffolding / tents / flags / flagpoles

fence contractors - for wooden and metal poles

agriculture & forestry - fences for horses, sheep, cattle and deer

vineyards and fruit farms - very useful on steep slopes

nurseries - supporting trees & plants

landscaping companies - placing tree piles & jetties