Depending on what you're trying to accomplish, you can use Graphviz (http://www.graphviz.org/) which accepts DOT input to produce graphs. You may also be interested in a GUI-based DFA/NFA/PDA simulator I built,…
Depending on what you're trying to accomplish, you can use Graphviz (http://www.graphviz.org/) which accepts DOT input to produce graphs. You may also be interested in a GUI-based DFA/NFA/PDA simulator I built,…