Apps similar to AtoCC include JFLAP, which is free. Other options are DFA Tester. Between them they cover Mac, Windows, Linux and Android.
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.
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Need to test a deterministic finite automaton for an upcoming course assignment, or just curious? Then you've come to the right place! DFA Tester is a simple and intuitive application to build and test deterministic finite automatons.
