Ranked in these QuestionsQuestion Ranking
Pro A huge preset pack is available
Pro Comes bundled with Winamp
MilkDrop 2 comes as part of Winamp since version 5.5. It's also still available as a separate package if you wish to use it with other software.
Con No user-friendly way of customizing the visualizations
Short of learning to code there are no ways to change how the presets behave.