JFLAP is software for experimenting with formal languages topics including nondeterministic finite automata, nondeterministic pushdown automata, multi-tape Turing machines, several types of grammars, parsing, and L-systems.
java JRE:- https://www.java.com/en/download/manu...
JFLAP official :- https://www.jflap.org/
JFLAP get jflap:- https://www2.cs.duke.edu/csed/jflap/l...