What applications were those? Maybe it's worth reporting a bug (either with i3 or the application in question)?
I'm asking because it's been a long time since I encountered an application which didn't tile nicely / didn't work well with i3[^]. Besides, you can always make a window float in i3.
[^] With the exception of the Android emulator but that thing is a monster for a whole bunch of reasons.
I'm not OP. But when I read his reply I got the impression they meant "windows that aren't useful when tiled". Like a laptop screen with three horizontal windows, each window is too tall and narrow to be useful. It's a pretty valid complaint against tiling window managers IMO. When I'm on a laptop, I tend to switch to i3's tabbed mode instead of tiling (or one window per virtual desktop).
Even a lot of video games tile well these days, which wasn't the case a few years ago.
I think literally the only things I have that don't tile are some of my Ludum Dare games because it's a 48 hour game jam so I don't have time to make them handle resizing or anything other than windowed 720p.
Oh, and native Terraria 1.4 (Proton Terraria 1.4 tiles just fine though).
I'm asking because it's been a long time since I encountered an application which didn't tile nicely / didn't work well with i3[^]. Besides, you can always make a window float in i3.
[^] With the exception of the Android emulator but that thing is a monster for a whole bunch of reasons.