EAGLE Layout Editor

The EAGLE Layout Editor is an easy to use, yet powerful tool for designing printed circuit boards (PCBs). The name EAGLE is an acronym, which stands for Easily Applicable Graphical Layout Editor .
Eagle PCB is available for Windows , MAC and Linux . If you want to use it for Linux or MAC follow this link
If you want to read a review and a small tutorial about these pcb software take a look on Electronic circuits design .