[algorithmmonkey]

Isn't this the point of licensing?

The author or company building the software requires money in exchange for using their software. The revenue acquired through the license is then use to pay for additional development.

Revenue sharing seems to imply some kindness / goodwill agreement.

[mygo]

I reckon they’re doing what people from some parts call a commission

Paying for a license won’t get you customers but paying for referrals will