EAGLE PCB Design Software is the tool of choice for thousands of engineers worldwide. With 3 modules and a common interface, EAGLE offers a variety of product combinations and allows every user to choose the configuration that meets their individual requirements.
DesignSpark PCB is a completely free Windows software application for generating PCBs.
DIY Layout Creator (DIYLC in short) is freeware drawing tool developed with help of a large online community of DIY electronics enthusiasts.
Basic Interpreter for the ESP8266.