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

I made a stumbleupon replacement at https://gimmeserendipity.com. Source: almost 2 years ago

I created a website that worked similar to Stumbleupon which went bust around 2018: https://gimmeserendipity.com. Source: almost 2 years ago

Https://www.discuvver.com/ - displays random useful websites one click at a time Https://cloudhiker.net - Discover new and awesome websites randomly and select the websites you would like to see by picking your favorite category filters. Https://gimmeserendipity.com/ - find useful websites randomly also has a category search option. Https://usefulinterweb.com/ - list of articles that are pretty... Source: almost 2 years ago

Stumbleupon alternatives Top favorite https://www.producthunt.com - find the best tech products on the web ranked. Website get 4million monthly visitors according to similarweb. Https://www.discuvver.com/ - displays random useful websites one click at a time Https://cloudhiker.net - Discover new and awesome websites randomly and select the websites you would like to see by picking your favorite category... Source: almost 2 years ago

Https://gimmeserendipity.com/ - find useful websites randomly also has a category search option. Source: almost 2 years ago