I recently came across a new platform while browsing, and I was surprised by how smooth and fast the overall experience feels compared to others I've tried before, especially in terms of loading speed and usability
https://pen.absturztau.be/jeeppg1m56n2/jeeppg-reference
https://blog.librescrum.org/js55uud5il/js55-reference
https://read.cicadas.surf/d34a8md6b/d34-reference