Https://synesthesia.live/ <- You can run scripts to react to basically anything. I use it in my live sets. Can be as simple or deep as you want it. Source: 10 months ago

If you’re more talking about steaming with green screen backgrounds, there is something available - see https://synesthesia.live. Source: 11 months ago

Not to mention the endless array of shaders, which are digital/virtual and can be run by many different computer applications or standalone gear. Look for applications like Synesthesia. Search into GLSL shaders in your favorite search engine. These things can modify input signals or be completely standalone, and if you've seen visuals at a concert, guaranteed you've seen this type of work. Source: 12 months ago

This is Synesthesia and sometimes I mix it with Milkdrop through Syphon app. Source: about 1 year ago

For the MPD218, I have this midi mapped in some software called Synesthesia (https://synesthesia.live). This is really cool software because it allows for pretty easy VJing while you are on the decks. There are various scenes built in and some you can purchase/download and those scenes interact with video/images that you have. I setup my scenes so that they are music reactive and go along with the music. Within... Source: about 1 year ago

Depending on what you're looking for, it may be helpful to generate a custom song using https://ampermusic.com. Source: over 1 year ago