TAL-Vocoder - Vintage vocoder emulation plugin in VST and Audio Unit format.
Yokee - Karaoke to YouTube videos
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
Karaoke 5 - karaoke 5 software - Excellent Player and Creator of file Karaoke. Karaoke. Professional karaoke program. Free karaoke program.
Voloco - Auto-tune made simple and funny for everyone
Karaoke Player - KaraFun Player is the most advanced karaoke player: cool animations, pitch & tempo change, live effects, backing vocals...