One I haven't seen anyone mention yet but also haven't tried myself is https://codeclap.handmade.network/ https://codeclap.handmade.network/ It's not free, but

One I haven't seen anyone mention yet but also haven't tried myself is https://codeclap.handmade.network/ https://codeclap.handmade.network/ It's not free, but it looks like a high-quality cross-platform gdb and lldb frontend with an imgui UI.