5Spice is a graphical user interface software that offers easy to use analog circuit simulation for the electronic circuit designer.
5Spice provides the analysis capabilities needed by experienced circuit designers while remaining easy to use.
The focus is on analog circuit analysis and circuit design at the component level.

self-installing v1.60 May 15, 2009:
The ExpressPCB schematic and PCB design software is very quick to learn and completely free! Download a fully functional version here.
1. Download the setup program.
The ExpressPCBSetup program includes both ExpressSCH for drawing schematics and ExpressPCB for circuit board layout. Download the setup program below.
Electronics Assistant is a Windows program that performs electronics-related calculations. It includes a resistor colour code calculator, resistance, capacitance and power calculations and more. Details of calculations can be saved or printed. It provides all the functions found in the calculators section of this site and more in a stand-alone user friendly program.
