Androids

"Darn machine walked right up to my house in the middle of the night, offered to fix my tractor. Did a damn good job on fixing it. Haven't seen the thing since it left." - Marlon, Kin-lan Farmer

Android have existed in some form or another since the 'Age of Experimentation', coming all shapes and sizes, these machines were at first made for specific jobs. Though after some time more general purpose androids were designed.