Obsidian is closed source the Dev actively really listens to the user base and its very feature rich as in nothing really compares. Joplin second and then after that you looking at more basic apps.
They can all be private and encrypted in transit and at rest. It’s mostly about what features you want and then once you see what you can integrate you might want some quality of life features you didn’t even know you could want.
This is atrocious for tire consumption and wear. Which tires are one of the top major contributors to pollution.