Alt text; An image showing a meme about open source software. The top part shows an elephant standing on a beach with text reading “The entire world’s IT infrastructure” superimposed on the elephant. Below this is a large, colorful beach ball being supported by tiny ants, with text reading “Unpaid open source devs.” The meme illustrates how the global IT ecosystem heavily relies on open source software that is often maintained by unpaid volunteer developers who carry a disproportionate burden despite their small numbers.
Why do you want to monetize it?
You could create a donation page. If no one wants to donate it is probably because there isn’t a perceived benefit of the software.