Speech Recognition Kit  
   Sensory, Inc. provides low-cost speech recognition technologies for consumer products for the embedded speech recognition market and also offers a software solution for DSPs and microcontrollers.
   http://www.sensoryinc.com

Engineered Station  
   Pakistani Electrical Engineer offers basic level of information for implementing speech enabled applications using TAPI, MAPI and WAPI. A starter site for students and beginners.
   http://project.uet.itgo.com

HTK3 - Hidden Markov Toolkit  
   Development and distribution site for HTK3, a hidden markov toolkit designed for speech recognition. HTK3 is available for free download as C source. Used at hundreds of research sites world wide.
   http://htk.eng.cam.ac.uk

Audio Search SDK  
   Compure develops software technologies to analyze audio. Products: Speak&Find to search for words or phrases (audio mining); ACTNow to detect music, jingles, advertisings, speakers; CoolRec to capture and manage audio data.
   http://www.compure.com

Natlantech  
   Develops and distributes software for speech analysis, speech recognition and Natural Language processing.
   http://www.natlantech.com/

Voxi  
   Swedish company which develops and licenses a general-purpose software platform, Intelligent Speech Interfaces (TM), involving speech recognition, natural language understanding, and high-quality audio feedback. Targets a wide array of applications rangin
   http://www.voxi.com/

CTMaker  
   Real-time application generator for unified messaging systems; supports TAPI, SAPI, sharing information between SQL-databases, emails, web-pages, phones, pagers. Allows development of CTI applications.
   http://www.ctmaker.com

Interactive Speech Technologies  
   Provides free plugin for website designers which allows visitors to surf the site by voice.
   http://www.interactivespeech.com

Nellymoser, Inc.  
   Specializes in speech and audio technologies for wired and wireless networks. Variety of image, speech, motion and pattern recognition SDK's.
   http://www.nellymoser.com

Speech Filing System - Tools for Speech Research  
   SFS provides a computing environment for conducting research into the nature of speech. It comprises free software tools; special file and data formats; subroutine libraries for I/O, signal processing and graphics; use and documentation standards; and spe
   http://www.phon.ucl.ac.uk/resource/sfs/

SpeechStudio Suite  
   A software toolset to develop, test, refine, deploy and maintain a speech recognition interface on Microsoft Windows (SAPI 5.0). Takes much of the difficulty and detail out of programming at the API level.
   http://www.SpeechStudio.com

Simplified Speech Toolkit for the Web  
   Information, software, and support for developing applications, web or otherwise, that you talk with using speech recognition and speech synthesis from Chant Inc.
   http://www.speechkit.com

IBM ViaVoice SDK  
   ViaVoice speech recognition (ASR) SDK available here. Also included in RedHat Linux 6.0 (see Application CD). SDK for several platforms.
   http://www-4.ibm.com/software/speech/dev/sdk_linux.html

CSLU Toolkit  
   A comprehensive suite of tools to enable exploration, learning, and research into speech and human-computer interaction. Very impressive, includes facial animation.
   http://cslu.cse.ogi.edu/toolkit/

NeuVoice Ltd  
   Provides a high-accuracy, small foot-print and noise-robust speech recognition systems, ideal for command and control in noisy environments especially mobile and hand held devices.
   http://www.neuvoice.com

Wizzard Software Corp.  
   Speech recognition tools, packages and consulting services including a desktop Interactive Voice Assistant.
   http://www.wizzardsoftware.com

Lyrebird Technologies  
   Sells Lyrebird, a graphical development environment that enables non-speech developers to build natural language speech recognition applications using artificial intelligence (AI) processes.
   http://www.lyrebirdtechnologies.com

Speak To Mail  
   Software and hardware allowing for speech interaction with email software packages such as Outlook Express, Eudora, and Netscape Messenger.
   http://www.speaktomail.com/

Programming by Speech Recognition  
   Tools for writing and editing code in C++ and similar languages with Dragon NaturallySpeaking speech recognition software.
   http://gregstrong.com/voice/

Terakeet  
   Producer of a voice application toolkit that aims to be easy to use and quick to deploy.
   http://www.terakeet.net/

Annosoft Lipsync Toolkit  
   Offers speech tools SDK for building automatic realtime animation lipsync, closed captioning and annotation applications. Clever downloadable demo animation lipsyncs to your microphone speech or .WAV files.
   http://www.annosoft.com

Voice Web Studio  
   SALT development tool for creating multimodal and speech-enabled accessibile web sites compatible with Dreamweaver MX.
   http://www.voicewebstudio.com

Gamer's Voice Commands and Macros  
   Shoot, a speech recognition program that emulates arbitrary keystrokes based on voice commands issued by the user. For controlling games. Win 98 and higher.
   http://clans.gameclubcentral.com/shoot/

PhantomSpeech  
   A speech engine independent TTS component built on the COM specification providing the same set of APIs for accessing any speech engine. An attempt to provide a universal standard for Text to Speech conversions. Free download.
   http://phantomspeech.sourceforge.net/phantomspeech.html

VoiceClient  
   A speech enabled email solution based on VoiceXML, can be easily integrated into open speech environments and existing messaging solutions.
   http://www.webdynamite.com/

SBrecog Speech Recognizer Frequently Asked Questions  
   Early speech recognition library for C programmers, site is maintained by the author. It helps with installation and compile troubles and answers questions on the underlying SR techniques.
   http://www.qod.de/kiehl/sbrecog/faq.html

Visual MP3  
   Sells visual GUI software which can read text files and save the speech to MP3, MP2, WAV, Ogg Vorbies and VOX formats. Includes mouth motion animation.
   http://www.visual-mp3.com/text-to-speech/

VAX VoIP Software Development Kit  
   Enable applications and Web pages to have voice conversation over the internet protocol (VoIP). It includes VoIP activeX (OCX), VoIP COM DLL, VoIP LIB and VoIP CAB, to provide wide implementation choice.
   http://www.vaxvoip.com/

Intercom Program for Windows  
   ESDi is a shareware program to allow one or more people at a time talk via PC. Designed to run on LANs. Free trial.
   http://www.enigmasoftwaredevelopments.com

PC Command and Control  
   e-Speaking offers desktop command and control speech recognition software compatible with and complementary to Windows XP and Windows 2000. A fully functional version can be downloaded for free containing over 100 built-in commands.
   http://www.e-Speaking.com

SONIC: Large Vocabulary Speech Recognition System  
   A large vocabulary continuous speech recognition system/tool kit under development at the University of Colorado, Center for Spoken Language Research.
   http://cslr.colorado.edu/beginweb/speech_recognition/sonic.html

Silent Software  
   Blog for Microsoft Speech Server, VBSalt, and speech application development.
   http://silentsoftware.blogspot.com/

Clarity Technologies, Inc.  
   Offers Clear Voice Capture (CVC) software for noise cancellation, echo cancellation, elimination of background noise. Improves speech recognition, voice intelligibility especially for embedded solutions.
   http://www.claritytechinc.com/

Polfonetika  
   A research and development company specializing in speech and language engineering for Polish. Offers open source tools.
   http://polfonetika.com