VolumeTouch
A freeware replacement utility to replace the Windows speaker icon. Controls the master volume. Supports various keyboard and mouse shortcuts. Supports mute/unmute, access to andvanced controls, has different skins for cool look and more. Easy configuration. ... Volume can be controlled with both mouse wheel and mouse positioning control so you don't have to have mouse wheel to use the program. ... Online forum for support and more. ... Great usability.
http://www.hi.is/~antoni/volumetouch/setup.exe - 293Kb - Download - Screenshot

Free Natural Text to Speech Reader
This is a free and fully functional text-to-speech software with Microsoft Voices. NaturalReader software is a professional text to speech program that converts any text into spoken words. It lets you listen to text instead of reading on screen! Just one click, you can have your computer speak... You can also change the speaker you want by clicking the Speaker menu. ... As long as the software is running, just press Control plus F9, and you can have the computer speak any selected text on the computer screen.
http://www.naturalreaders.com/standardsetup.exe - 12Mb - Download - Screenshot

Audio Play And Record OCX
This activeX let you play multiple instance of any audio file and/or stream and record audio from any input. It let you to record from any source, even from the speaker, play multi audio file at the same, controlling volume, speed, bass, treble,... , of each audio. ... This control is really fast and robust, designed as a Windowless component memory usage is less than other control. ... With some sound card, you can record and play at the same time. ... It let you read and display MP3 Tag information V1 and V2.
http://www.station-media.com/download/audiopartrial.exe - 1Mb - Download - Screenshot

axSoft Speech corrector
Speech corrector can be used by people who have stuttering problem to control their fluency. It provides DAF (delayed auditory feedback) method. That method has been applied in the therapy of stuttering people for a long time. Numerous studies have shown the positive influence of that method on... Stuttering people who speak into a microphone and hear delayed sounds of their own speech in headphones or a speaker begin to speak fluently. ... DAF reduce stuttering on average 75% without training and mental efforts.
http://www.speechcorrector.com/smart_setup/setup.exe - 703Kb - Download - Screenshot

Magic Hotkey
Do you want to adjust gamma,brightness,contrast JUST in game? Do you want to control volume of speaker or mic without mouse? Do you want to have 100 virtual clipboard and 8 virtual desktop? Do you want to control winamp only by hotkey at any time? Magic Hotkey will give you all the convenicence. ... You will find more powerful functions by using it.
http://www.dfsoft.com.cn/xw/magichot.zip - 612Kb - Download - Screenshot

SoundWheel
Modern sound systems for PCs usually offer you a way to control the sound level. $500+ systems that shine on shelves in computer shops are sometimes equipped with a remote control. Less expensive systems may have a wheel which is completely useless if located on a speaker or subwoofer you cannot... When you press a hot key (Ctrl+Shift by default), it turns your mouse wheel into a volume control. ... Sound Wheel brings a new level of usability into the control of the sound volume. ... Why not use it as a sound level control?
http://www.soundwheel.com/download/SoundWheel_Setup.exe - 496Kb - Download - Screenshot

TR Speaker component
TRSpeaker component is an ActiveX control that adds Text-to-Speech capabilities to your application. If your program uses this component, it can read aloud any text data. This control aggregates The MS Direct Speech Synthesis control (DirectSS). TRSpeaker has all the methods, properties and... Why then should I use TRSpeaker instead of DirectSS control? ... All the parameters will be saved. ... Adjust the pitch, speed and volume. ... So, when you start your application again, you will not have to check available speech engines, select one of them, and set these parameters again.
http://www.text-reader.com/downloads/setup_trspeaker.exe - 256Kb - Download - Screenshot

Prompt! teleprompter
Prompt! is a simple teleprompter application for public speakers used by CEO's of banks, heads of religious organizations, radio dejays and alike either on camera or in front of a live audience. Prompt! gives you the additional support which provides that little bit of confidence one needs in a... There is a built-in function to allow someone else to control the speed by using the keyboard or mouse. ... If the talent will be controlling their own scrolling then mouse control is the best and if you have long mouse cord, that's even better.
http://www.movieclip.biz/prompt/PromptPClite.zip - 5Kb - Download - Screenshot

Prompt! teleprompter for Mac OSX
Prompt! is a simple teleprompter application for public speakers used by CEO's of banks, heads of religious organizations, radio dejays and alike either on camera or in front of a live audience. Prompt! gives you the additional support which provides that little bit of confidence one needs in a... There is a built-in function to allow someone else to control the speed by using the keyboard or mouse. ... If the talent will be controlling their own scrolling then mouse control is the best and if you have long mouse cord, that's even better.
http://www.movieclip.biz/prompt/PromptMacOSXLite.zip - 5Kb - Download - Screenshot

Virtual Personality+
A professional telephone - internet voice changer voice changer utility. High quality natural voice. Pitch and frequency independent controls. Works with your PC speakers as well as over a telephone line or with internet applications like yahoo chat. ... You speak into the PC microphone, and your natural voice is digitally sampled by the multimedia components already installed in your PC. ... You are also advised automatically of its recent usage statistics. ... Each of the 24 personality-icons on the screen can be linked to a different name and/or voice, simply by a mouse click.
http://www.triplebit.com/vpersonalityplus.exe - 2Mb - Download - Screenshot