Any recommendations for mind-mapping (or really, just graph-drawing-and-rearranging) software? I'd be interested in that as a tool for organizing and reevaluat

Any recommendations for mind-mapping (or really, just graph-drawing-and-rearranging) software? I'd be interested in that as a tool for organizing and reevaluating thoughts and sorting out patterns, whether it's regarding self-analysis or some other puzzle that could use untangling and exploratory visualization.