MadMapper - The Mapping Software
Voicemod - What are the voice changers? How do these work? Are these illegal? What is a soundboard? Find all the answers here. Voicemod - The Best FREE Voice Changer
Resolume - Resolume is an application for live video performances.
Clownfish Voice Changer - Clownfish Voice Changer is multiple voice changing software for various chatting and gaming platforms.
Linux Show Player - Sound player designed for stage productions
JN Soundboard - An open-source hotkey soundboard program