KryptonBlur

Dassault Systemes (CATIA and SolidWorks) is French and Bricsys (BricsCAD) it’s Belgian/Swedish. Unfortunately PTC and Autodesk are both American.

If you right click on the tab bar on regular Firefox you can enable vertical tabs. I don’t think they’re as nice as Zen’s vertical tabs but they’re still pretty good

It’s frustrating because there are a few people I like, like John Green, who are on threads but not the rest of the fediverse