I'm not sure if you're in the US, but there are a lot of data sources at https://data.gov/ that are pretty interesting! A similar service may be available for other countries.
If you want to really get out of your comfort zone, I would suggest a new language/paradigm. I've recently been loving learning Elixir with Phoenix liveview. It fills a lot of the full-stack needs and lets you focus on your backend data and your frontend display.
If you want to really get out of your comfort zone, I would suggest a new language/paradigm. I've recently been loving learning Elixir with Phoenix liveview. It fills a lot of the full-stack needs and lets you focus on your backend data and your frontend display.