7xx 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://prose.astral.camp/j73hq5hyu/j73-reference
https://blog.dtth.ch/t45tt6qvo/t45-reference
https://wf.unixcat.net/w2jjisbxsd/2jj-reference