ZenitSuite is a free easy to use printed circuit design boards software that include :
ZenitCapture Schematic which is easy to learn and fast to use schematic designs software using the easy-feature toolset available.
It contains the electrical connection between component symbols by the use of signal wires.
ZenitPCB Layout that is an excellent tool to create professional printed circuit board ( PCB ).
ZenitPCB Layout is completely freeware for personal or semi-professional use, limited to 800 pins .
A small review about ZenitPCB you can read following this link ZenitPCB review and tutorial .