Oh I found it. It's learn-anything.xyz. Source: over 1 year ago

I think I found something that looks and works like what you described: https://learn-anything.xyz/. If it's not that one then I'd also like to know what it is because it sounds really useful haha. Source: over 1 year ago

This one is my favourite, its not great for everything but most of the time it provides a solid road map to learning something new. https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago

Learn Anything : Community curated knowledge graph of best paths for learning anything. - Source: dev.to / over 1 year ago

You may be thinking of https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago

Primer | full-stack eng | staff level | SF/Bay Area onsite | https://primer.com Come join us at Primer and build the next generation education system with us. Primer Microschools are mixed-age classrooms where kids get personalized learning and get to be more ambitious, and learn to think for themselves. We are seeking a staff-level engineer to join us as the third member of our engineering team. About you:... - Source: Hacker News / 9 months ago

2. https://primer.com (community for home schooled kids). - Source: Hacker News / almost 2 years ago

Check out https://primer.com. It's an education site where kids learn interesting things through collaborative projects. I don't know much about your situation but I would still try and focus more on in-person activities. - Source: Hacker News / over 2 years ago

Haven't tried them personally, but had run across https://sanako.com/ and https://withprimer.com/. Looks like primer is more for home-schooling though. Source: about 3 years ago