gEDA

The gEDA suite is an open source toolkit for use in creating electronics schematics and printed circuit board layouts. The suite also contains other advanced tools that aid in circuit simulation, prototyping, and production. The package is very mature and widely used in industry. Being open source, it is full featured with no restrictions and free for personal or commercial use. Best of all, gEDA has an enormous and dedicated user community that provides a number of informational and support resources. If you are new to electronics schematic and pcb layout tools, you will find that the gEDA suite is very intuitive and easy to learn. For the best experience, checkout a few tutorials first that walk you through features and usage of the tools. Also, check out the wiki and documentation resources for more detailed information. Alternative, if you are seasoned electronics engineer using tools like Eagle, ExpressPCB, or Pulsonix, you will find gEDA a breath of fresh air compared to the proprietary tools. gEDA is free open-source software, fully featured with no size, page, or other restrictions. The gEDA community provides an enormous and regular updated library of parts so that you can start building quickly. However, creating custom parts and footprints is very easy compared to the other commercial tools. Home Page: http://www.geda.seul.org/ Wiki : http://geda.seul.org/wiki/