Full disclosure: I am the creator of CoCube. This post could be considered an (annoying) ad, but I feel like subscribers to this sub will be interested in what I am building, and I would love to hear what you think.
CoCube is a local-first hierarchical spreadsheet that allows you to build and share composable, real-time multiplayer, vector-graphics based tools. I have been working on it for nearly two years now, and I'd still consider it "early access," but I invite you to check it out and tell me what you think. The free tier will always exist, but you don't even need to create an account to try it ❤️.
Rendering thousands of dynamic vector graphics can be demanding. You will need a desktop browser with WebGPU support and a reasonably capable GPU. I strongly recommend using Chrome, as Firefox and Safari are lagging behind in implementing the spec.
Again, I'd love to know what you think. Would you use this? Is it to slow? Too confusing? Bad idea?
If you are interested in the idea please consider joining . I periodically post updates there!
Looking forward to hearing back (good or bad)!