CMU Sphinx - CMU Sphinx is a speaker-independent large vocabulary continuous speech recognizer released under...
VoiceAttack - VoiceAttack will take commands that you speak into your microphone
Simon Speech Recognition - Simon is an open source speech recognition program that can replace your mouse and keyboard.
VoiceMacro - Control applications or games by voice commands and/or by the press of a keyboard, mouse button or...
VoiceBox MD - Speech to Text Clinical documentation with advanced medical dictation.
SpeechTurtle - SpeechTurtle is a voice recognition tool that has a simplified c# scripting interface.