pgkn reference
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
http://pwned.page/f9bds39a9z/9bd-reference
https://pen.absturztau.be/nnokz16e71/nnok-reference
https://blog.mithril.re/v66zzslxbs1/66zz-reference