This seems exactly what you are looking for https://www.causal.app/

After looking through their landing page, I totally agree, this looks perfect. Thank you!

I've been shown a couple tools geared for startups that some of my users had been playing around with, but those didn't look modern or nuanced enough to me. I haven't done a formal search though, so perhaps there are good things out there I'm not aware of. Eventually, I'd like to add better support for business use cases to ProjectionLab; in some ways, it's already close, but I'll need to carefully think through a few things like more granular event timing/scheduling and short/near-term views.

Visual editor seems pretty cool. Can summit do probabilistic things like monte carlo simulation as well, or is it scoped to deterministic projection?

Creator here.

You can use fuzzy numbers to get varied output, and if you want to do MC you can use the API into your model to call it with whatever distributions you want and aggregate the output. But no, our UI doesn’t natively support doing a MC sim because the demand is frankly less than you’d expect. :)

Causal, Pry, Finmark etc are good tools. Costs can vary, you'll need to be clear about your specific goals to stay price effective.

I’ve used a lot of financial forecasting software from Oracle/SAP to SaaS to all the startups. I do implementations and day to day CFO empowerment.

The new kid on the block I like is cubesoftware.com . It’s priced rather affordably for a small business but maybe not a solo sized one

What kind of forecasting are you looking for? I'm searching for something similar to calculate profits & planning expenses over time.

If I can't find something that works, this might be something I'm considering to build myself.