Hacker News Reader

No tabs though (deliberately). You'll need to add a tabbing window manager to add them.

What tabbing Window managers are there for Windows? In terms of desktop replacements I only know Cairo (but that doesn't touch windows).

There's Groupy from Stardock

I think a truly cross-platform "tabbed" solution is Alacritty + tmux. I use iTerm with macOS for now, though.