Nullsoft
| Company type | Private | 
|---|---|
| Industry | Computer software | 
| Founded | 1997 | 
| Defunct | 2014 | 
| Successor | Radionomy | 
| Headquarters | Sedona, Arizona | 
| Key people | Justin Frankel Tom Pepper | 
| Products | Winamp, SHOUTcast, and others | 
| Owner | Radionomy Group | 
Nullsoft, Inc. was an American software house founded in Sedona, Arizona in 1997 by programmer Justin Frankel. Its products included the Winamp media player and the SHOUTcast MP3 streaming media server.