Well, if you have no idea of which problem to solve, I believe that nugget is still a thing. Every time I stumble upon someone that tells me that "all the problems have been solved" I tell them: check out https://nugget.one and let's talk again. If I recall, I stumbled upon that site when I was with Startup School. _^. Source: over 2 years ago

Diagrams and visualizations are often indispensable when explaining complex concepts or designing system architectures. Excalidraw and Whimsical are two popular quick drawing tools that allow developers to create diagrams easily. With their simple yet powerful interface, developers can create wireframes, flowcharts, and other visual representations in no time. These tools are great for both brainstorming ideas and... - Source: dev.to / 24 days ago

Whimsical.com - Collaborative flowcharts, wireframes, sticky notes and mind maps. Create up to 4 free boards. - Source: dev.to / 4 months ago

Whimsical is amazing. https://whimsical.com/. - Source: Hacker News / 6 months ago

If only I could figure out how to handle branching in Mermaid like the "Saving" node in this animation: https://whimsical.com/. - Source: Hacker News / 7 months ago

The aesthetics of those diagrams strongly remind me of whimsical: https://whimsical.com. - Source: Hacker News / 7 months ago