For source code releases, the core Snes9x code is distributed free for personal use only, commercial use is prohibited. A limited GPL exemption is available for developers who wish to publicly distribute combined works of Snes9x with my code. Otherwise, all non-Snes9x code remains GPL and only individual use is permitted.
Official binary releases of Snes9x EX may be distributed provided they follow the non-commercial Snes9x license and have not been modified.
Your right to distribute the software may be revoked by the copyright holders for any reason, at any time.