Micro-Cap

Micro-Cap screenshots

Creates schematics with mixed analog/digital simulator and interactive sketch
Main window
Micro-Cap 12.0 : Main window

Alternative downloads

CAP 505
2.5.0
It can be used to program and monitor relays from ABB.
CAP Tool Trial
1.8
CAP Tool is a program for the creation of arbitrary waveform generator files.
Simtel Analog Communication
2.0
Tool to understand analog communication.