Make Godot maps in Trenchbroom or whatever else. There’s a 3.x version available as well.
This is great. I’ve always enjoyed and preferred working with CSG brushes in Hammer Editor and JACK over using modeling software, especially as a programmer, so having this kind of native support for it is nice. Godot is looking more and more attractive each time I read something about it. I’m still using Unity at the moment, but have been planning to look into Godot as soon as it would get first-party support for C# and .NET, which has happened by now I believe. I really despise Unity’s direction and management, and the fact the engine is closed source. The only thing still holding me back is the fact I’ve invested so much in Unity, and find it daunting to see a lot of it go to waste.