RoboBlather is a free text-to-speech application written using .NET 3.0. Rendered speech can be saved to a .WAV file and both talking speed and synthesis voice are user-selectable.
Recording vocal in MIDI. Simply vocalize your melody into the microphone and your voice will sounds like a real music instrument. You can save midi output to file for further editing. You can play on your PC-Keyboard like on MIDI-Synthesizer.
Photosounder is an editing and synthesis program that can open images and sounds indiscriminately, treats and processes them as images, and synthesizes them as sounds.
Bleep' ??” is a free VSTi synthesizer plug-in for Windows which inspired by the sound of MOS Technology SID. At the same time Bleep' is not emulator of this chipset but only partially similar to its architecture.
"Virtual piano" will be useful to the musician in the most various situations (for example to tune musical instrument, to find the key of the heard music, to sound lessons of the musical school, etc.)
Text Speaker will read any text on your computer screen. Avoid eyestrain or create your own audio books. Read Word, HTML, RTF, or text documents aloud, or save them as MP3 or WAV files. Register to receive 2 professional AT&T Natural Voices.
Syntronik Free is a full-featured version of Syntronik with 50 instrument presets, 38 effects, parts, layers and arpeggiators that you can play/edit with sounds taken from the full Syntronik to be used as a plug-in or standalone virtual instrument.
With FlexiMusic Songster, you can make song from simple voice, by stretching and pitching. Further do vibrato pitching and a special feature Age-Shifting. If you are a Music Composer but not a singer, this is the right Software for you.