Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
upverter - Upverter makes it easy to design and share electronics on the web.
Ktechlab - KTechLab is an IDE for microcontrollers and electronics.
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.
DipTrace - DipTrace - Professional Schematic Capture and PCB Design Software