Why? SourceForge reputation is essentially lost. And acquisition costs are high, so its likely out of crowdfunding range.

Yet, cloning its content would be a better idea: https://news.ycombinator.com/item?id=9789960

Agreed.

The cost to buy the site and IP, if even possible, would be huge. How on earth would you recover that? Showing adverts? Having installers wrapped with spamware? Anything like that would just further ruin the brand and drive the few remaining high-profile users away.

Who would want it?