4x4x 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
https://write.fediverse.games/k62ldhb8t/k62-reference
https://jogxcgoat.kc2g.com/g54rvn04iq/54r-reference
https://blogs.oicn.icu/p22xxnqg3w3/22xx-reference