Voxal Voice Changer
Free, real-time voice changing software for games and other microphone-enabled software applications
Clownfish Voice Changer
A Windows application used to change or distort a persons voice
ZaraRadio
Transmits radio programs to listeners with the help of other streaming programs
Fake Voice - Voice Changer 7
Adjusts the depth and pitch of users' voices or even alter the gender of their voices
IVONA Reader
IVONA Reader (for Windows) is a text-to-speech utility that can convert any written text to spoken words.
Voicemod
Change your voice to sound like something else while chatting online
HamSphere
A Ham Radio simulator over the internet, with a classic design to mimic an actual device and reaches a lot of locations worldwide
TextAloud
Turn computer text, such as Microsoft Word files into audible sound