> (as a hobbyist who likes cooking up some vis for my DJ sets)

I generally get really annoyed when I hear someone say that a particular piece of open-source or free-as-in-beer software “blows After Effects out of the water”[0], but not here: I appreciate you describing your use case so people have the right expectations going in. It sounds like this is more trying to compete with offerings like Touch Designer or Resolume than AE, which feels like a space with much more opportunity for disruption (without having a huge full-time team working for years in obscurity).

[0] I want someone to do to After Effects what Blender is doing to Cinema4D and Maya (provide a competitive free alternative to people who don’t need corporate deals and support plans). Every piece of software that people usually mention falls short in huge ways. I think a lot of people get into this space not realizing how difficult it is just to have a real-time scrubbable timeline that intelligently caches intermediate steps to disk and can render at lower resolutions to save time. So many alternatives absolutely chug once you have 10 1080p tracks with mattes and different effects. And then you’ve got color space transforms and all the different HDR things and a million other features that users of After Effects often forget are features.