I love the developer experience of Dear ImGUI, even though I use it through Python wrappers that confuse things sometimes. It just slices like a sword through several layers of often-pointless abstraction and puts the control over the main loop right in your hands.
And when you need to read the source to figure something out, it's just a few files of pretty self-evident C-ish code.
And when you need to read the source to figure something out, it's just a few files of pretty self-evident C-ish code.