Web-based TTS tools

The list we provide here names the tool and links to it. It also includes the following information for each tool:
  • Languages that the tool is designed to handle
  • Platform for which the tool is designed (Windows/Mac OS)
  • Availability of an online interactive demo or a trial version
  • Need for download, if any
  • Cost involved, if any
  • Availability of different voices for the same language
  • Adjustable features (speed, audio output format, and so on)

Web-based TTS Tools
Tool Languages Platform Online demo/trial version Download required? Cost Availability of voices Adjustable features
The Festvox Project from Carnegie Mellon English Works with Windows and Mac OS Online demo available No download required for demo Demo is free of charge Voices available in American and British English Adjustable audio format (wav, sun, aiff, ulaw)
Babil from Babel Technologies Arabic, Brazilian, Czech, Danish, Dutch, English (US/UK), Finnish, French, German, Italian, Norwegian, Portuguese, Spanish, Swedish, Turkish Works with Windows and Mac OS Online demo available (150 characters maximum) No download required for demo Demo is free of charge Voices not available No adjustments available
rVoice from Rhetorical Systems English, German, Greek, Spanish Works with Windows and Mac OS Online demo available (255 characters maximum) No download required for demo Demo is free of charge Voices available for English Output options: streaming or .wav file
Elan Tempo from Elan Speech French, English (US/UK), Brazilian Portuguese, German, Russian, Italian, Polish, Spanish, Dutch Works with Windows and Mac OS Online demo available No download required for demo Demo is free of charge Voices available for French, English, Spanish, German, Portuguese, and Italian Pitch and speed can be adjusted
General Purpose Voices from Cepstral English Works with Windows and Mac OS Online demo available No download required for demo Demo is free of charge Voices available Adjustable pitch, speed, and special effects
ReadPlease from Readplease Corporation and AT&T English (US/UK), Spanish, French, German, Italian, Dutch, Portuguese Works with Windows Online demo available (30 words), as is a freeware download No download required for demo Free version available Voices available (limited in demo) Adjustable pitch, speed, and audio format
Web Site Speech Plug-in from Speaks for Itself English Works with Windows and Mac OS (Netscape 4.0 only) Online demo available, as is a free download Plugin download required for demo Free version available Voices available Adjustable pitch, speed, and other features
The MBROLA Project from the Faculté Polytechnique de Mons English (US/UK), Arabic, Brazilian Portuguese, Breton, Canadian French, Croatian, Czech, Dutch, Estonian, French, German, Greek, Korean, Hebrew, Indonesian, Hindi, Italian, Japanese, Polish, Portuguese (European), Romanian, Spanish Mexican, Swedish, Telugu, Turkish Works with Windows and Mac OS No interactive demo Download required--complex, but worth the effort! Free download Voices available for some languages Adjustable pitch and speed
FlexVoice from Mindmaker English, Hungarian Works with Windows and Mac OS Online demo available (300 characters) No download required for demo Demo free of charge Voices available Adjustable sample rate
SpeakThis from Fonix English (US/UK) Works with Windows and Mac OS Online demo available No download required for demo Demo free of charge; a variety of subscription plans for full product Voices available No adjustments available
Web speech plugin from Archangelis French, German, Spanish, Swedish Works with Windows and Mac OS Online demo available No download required for demo Demo free of charge No voices available No adjustments available
Festival from IMS German Works with unix and Windows Online demo available No download required for demo Demo free of charge No voices available Adjustable audio format (wav, aiff, raw)
CyberBuddy by John M. DeFino English (US/UK), Dutch, French, German, Italian, Japanese, Korean, Portuguese (Brazilian), Russian, Spanish Works with Windows Demo not available Download required Freeware Voices available No adjustments available
NeXTeNS from the University of Nijmegen and the University of Tilburg Dutch Works with Windows and Mac OS Online demo available (130 characters) No download required for demo Demo free of charge No voices available Adjustable audio format (ulaw, sun, wav, aiff)
Digit from Elan Speech English (US/UK), French, German, Italian, Polish, Portuguese (Brazilian), Russian, Spanish Works with Windows and Mac OS Evaluation version available (15 days) Download required Evaluation version free of charge; Full version shareware Voices available Adjustable speed and pitch
VoxWorx from Clarynx English Works with Windows and Mac OS , needs RealPlayer Online demo available No download required Demo free of charge Voices available No adjustments available
InfoQuick from Sino Voice Chinese Works with Windows Online demo available (50 characters) No download required Demo free of charge No voices available No adjustments available
DEMOSTHeNES from The University of Athens Greek, English (Greek pronunciation) Works with Windows and Mac OS No online demo available Download required Download free of charge Voices available No adjustments available
Home Page Reader from IBM English, French, German, Italian, Brazilian Portuguese, Spanish A screen reader for Windows No online demo available Download required 3o day trial demo free; price wise we find the full version to be the most feasible tool for instructional purposes Male and female voices Some voice adjustments available

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