Solution 1:
Although you said free, there is a paid app that seems to offer a similar feature.
Deskovery claims to "Minimize your windows to their titlebars".
I haven't used it.
Window shading in MacOS Mojave (10.14)
Solution 1:
Although you said free, there is a paid app that seems to offer a similar feature.
Deskovery claims to "Minimize your windows to their titlebars".
I haven't used it.