EasyEDA is a a great and above all free web based circuit design, simulation and printed circuit boards (PCB) design tool for electronic hobbyists, engineers, teachers, students, makers and enthusiasts .
There’s no need to install the software all you need is just open EasyEDA in a web browser. EasyEDA has all the features you expect from traditional electronic design automation (EDA) softwares like OrCAD, Altium, DipTrace among others, this tool easily takes your design from conception through to production.