CupOfJoe is a Java decompiler, bytecode debugger, and disassembler that is free and open source. It features a Swing GUI and allows users to step through each bytecode and view the program's state.
The debugger in CupOfJoe allows the user to step through each individual bytecode and view the program state at every step. This level of detail is incredibly useful when trying to track down bugs and optimize code. And with the Swing GUI, it's incredibly easy to use and navigate.
Overall, I would highly recommend CupOfJoe to any Java developer looking for a powerful debugging tool. It's completely free and open source, so there's no reason not to give it a try.
Version 0.1: N/A