Clownfish Voice Changer - Clownfish Voice Changer is multiple voice changing software for various chatting and gaming platforms.
JN Soundboard - An open-source hotkey soundboard program
Voxal - Modify your voice in any application that uses a microphone. From girl to alien, the voice options for online video games, avatars and podcasts are limitless.
CasterSoundboard - A soundboard for hot-keying and playing back sounds. (For podcasting)
iMyFone MagicMic - MagicMic is a Powerful and Real-time Voice Changer and Voice Generator。MagicMic Voice Changer empowers you to change your voice on multiplayer games, chats & live streams, etc.
MorphVOX - MorphVOX is universal voice changing software that is integrated with the functions of sound effects and background tracks.