rFXGen is described as 'Simple and easy-to-use fx sounds generator, based on the amazing SFXR. Sounds could be saved as .rfx (sound generation parameters) and also exported to .wav as sample data, defining sample formatting' and is an app in the development category. There are more than 10 alternatives to rFXGen for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and SaaS apps. The best rFXGen alternative is sfxia, which is free. Other great apps like rFXGen are bfxr, SFXR, ChipTone and LabChirp.
GMXR2 is an audio generation tool you can use to create audio for games and other projects. GMXR2 has a waveform generator with several wave shapes, pitch and envelope control and a modulator to generate all sorts of sounds.
