There are other options. Two I've used a little: https://github.com/vurtun/nuklear https://github.com/vurtun/nuklear https://github.com/raysan5/raylib https:

There are other options. Two I've used a little: https://github.com/vurtun/nuklear https://github.com/vurtun/nuklear https://github.com/raysan5/raylib https://github.com/raysan5/raylib