Logic Gate Simulator 1.3

Logic Gate Simulator is an open-source tool which can be used to simulate simple digital circuits.

Features are:

* Graph circuit activity over time
* Drag-and-drop gate layout and wiring
* User created "integrated circuits" for re-use
* Viewing the activity inside ICs during simulation
* Adjustable simulation speed and zoom
* Print and export as image

Program is very small. If you are using windows xp, .Net framework must be installed.