Automata DFA, eNFA, NFA, Regex tools

I introduce two useful tools, website and software, for sketching and testing online an Automaton DFA, NFA, eNFA or a regex.

1-

http://ivanzuzak.info/noam/webapps/fsm_simulator/

FSM Simulator

2-

http://www.jflap.org/

JFLAP

3- comparison

RegEq

If you know more please complete me.