You can access the software at JFLAP.org .
JFLAP is completely free to use for educational purposes. System Requirements & Installation jflap 7.1 free download
JFLAP 7.1 (Java Formal Languages and Automata Package) is a powerful, interactive educational tool used worldwide to experiment with formal languages and automata theory. Released on July 27, 2018, version 7.1 is considered the most stable version for coursework, as the subsequent version 8 remains in beta. You can access the software at JFLAP