It's more common in the emulation scene. The two emulators that Retron5 infringes on have licenses roughly based on MIT/BSD, but with no-commercial-use clauses

It's more common in the emulation scene. The two emulators that Retron5 infringes on have licenses roughly based on MIT/BSD, but with no-commercial-use clauses added. https://github.com/snes9xgit/snes9x/blob/master/docs/snes9x-license.txt https://github.com/snes9xgit/snes9x/blob/master/docs/snes9x-... https://github.com/ekeeke/Genesis-Plus-GX/blob/master/LICENSE.txt https://github.com/ekeeke/Genesis-Plus-GX/blob/master/LICENS...