Mataroa (https://mataroa.blog) is simple, to the point, blazing fast, open source, and just US$ 9 per year. It's quite barebones, but IMHO the platform's philosophy lends itself well to the cause of "I just want to write, I don't want to spend time fiddling with settings and templates".
I wrote about my experience when I migrated to it: https://pratul.net/blog/mataroa-just-works-for-me/