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://wf.zoner.work/k107m4yhee/k107-reference
https://blog.librescrum.org/r7899vin79/r789-reference
https://dusk.morbia.org/b55cjhl4a5/55c-reference