When comparing MilkDrop 2 vs VSXu (VSX Ultra), the Slant community recommends MilkDrop 2 for most people. In the question“What are the best audio/music visualizers?” MilkDrop 2 is ranked 1st while VSXu (VSX Ultra) is ranked 7th. The most important reason people chose MilkDrop 2 is:
Plenty of user options to tweak for your system.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Runs smooth on most modern computers
Plenty of user options to tweak for your system.
Pro A huge preset pack is available
A preset pack with 760 visuals made by Tryptonaut is available. You can find it here
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.
Pro Save mp4
Pro Support on Linux
Pro Free and open source
Cons
Con No user-friendly way of customizing the visualizations
Short of learning to code there are no ways to change how the presets behave.
Con Website is broken
Con Not just not for Mac and only for 64 bit, but only for Win 10 64 bit
Con Doesn't support macOS
There is no download that supports macOS and they do not plan to do anything about it.