Macetenafen is a minimal GUI focused on netplay for mednafen powered by Vue.js through Vuido

Download here

Setup

1. Make sure you extract it alongside your mednafen executable
2. Run macetenafen.exe
3. Choose your game
4. Choose a gamekey (you and the person you're connecting to should use the same)
5. Put in your nickname, server and port
6. Either press Play Online or Play Offline

Credits

Icon: https://twitter.com/ZapLayden/status/752067810956750848