replicense (rpli)

Can

Distribute the licensed work.
Modify the licensed work.
Take credit for any modifications made.

Cannot

Sell the licensed work or any derivative works based on it.
Claim sole ownership of the licensed work, unless the claimant has made significant modifications to it.
Take credit for modifications the person didn't make.

Must

Disclose the source of the licensed work, giving credit to the original creator.
Clearly state any changes made to the licensed work.